Home / 7,092.18-9,787.05-3,948.66

Finding the Fourth Proportional to 7,092.18, 9,787.05 and 3,948.66

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Solution

The fourth proportional to 7,092.18, 9,787.05 and 3,948.66 is: 5,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.18 : 9,787.05 = 3,948.66 : x
  2. Step 2: Convert to fraction form
    7,092.18/9,787.05 = 3,948.66/x
  3. Step 3: Cross multiply
    7,092.18x = 9,787.05 × 3,948.66
  4. Step 4: Simplify right side
    7,092.18x = 38,645,732.85
  5. Step 5: Solve for x
    x = 38,645,732.85/7,092.18
  6. Step 6: Final answer
    x = 5,449.06

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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.