Home / 3,570.14-4,927.02-1,998.36

Finding the Fourth Proportional to 3,570.14, 4,927.02 and 1,998.36

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Solution

The fourth proportional to 3,570.14, 4,927.02 and 1,998.36 is: 2,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.14 : 4,927.02 = 1,998.36 : x
  2. Step 2: Convert to fraction form
    3,570.14/4,927.02 = 1,998.36/x
  3. Step 3: Cross multiply
    3,570.14x = 4,927.02 × 1,998.36
  4. Step 4: Simplify right side
    3,570.14x = 9,845,959.69
  5. Step 5: Solve for x
    x = 9,845,959.69/3,570.14
  6. Step 6: Final answer
    x = 2,757.86

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Double scale
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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.