Home / 3,570.14-4,927.02-1,998.74

Finding the Fourth Proportional to 3,570.14, 4,927.02 and 1,998.74

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Solution

The fourth proportional to 3,570.14, 4,927.02 and 1,998.74 is: 2,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.14 : 4,927.02 = 1,998.74 : x
  2. Step 2: Convert to fraction form
    3,570.14/4,927.02 = 1,998.74/x
  3. Step 3: Cross multiply
    3,570.14x = 4,927.02 × 1,998.74
  4. Step 4: Simplify right side
    3,570.14x = 9,847,831.95
  5. Step 5: Solve for x
    x = 9,847,831.95/3,570.14
  6. Step 6: Final answer
    x = 2,758.39

Related Problems

Find fourth proportional to 1,785.07, 2,463.51 and 999.37
Half scale
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Double scale
Find fourth proportional to 3,571.14, 4,928.40 and 1,999.74
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.