Home / 7,092.01-9,787.13-3,948.40

Finding the Fourth Proportional to 7,092.01, 9,787.13 and 3,948.40

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Solution

The fourth proportional to 7,092.01, 9,787.13 and 3,948.40 is: 5,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.01 : 9,787.13 = 3,948.40 : x
  2. Step 2: Convert to fraction form
    7,092.01/9,787.13 = 3,948.40/x
  3. Step 3: Cross multiply
    7,092.01x = 9,787.13 × 3,948.40
  4. Step 4: Simplify right side
    7,092.01x = 38,643,504.09
  5. Step 5: Solve for x
    x = 38,643,504.09/7,092.01
  6. Step 6: Final answer
    x = 5,448.88

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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.