Home / 3,570.57-4,927.49-1,998.77

Finding the Fourth Proportional to 3,570.57, 4,927.49 and 1,998.77

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Solution

The fourth proportional to 3,570.57, 4,927.49 and 1,998.77 is: 2,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.57 : 4,927.49 = 1,998.77 : x
  2. Step 2: Convert to fraction form
    3,570.57/4,927.49 = 1,998.77/x
  3. Step 3: Cross multiply
    3,570.57x = 4,927.49 × 1,998.77
  4. Step 4: Simplify right side
    3,570.57x = 9,848,884.56
  5. Step 5: Solve for x
    x = 9,848,884.56/3,570.57
  6. Step 6: Final answer
    x = 2,758.35

Related Problems

Find fourth proportional to 1,785.29, 2,463.74 and 999.38
Half scale
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Double scale
Find fourth proportional to 3,571.57, 4,928.87 and 1,999.77
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.