Home / 7,068.20-9,753.66-3,881.55

Finding the Fourth Proportional to 7,068.20, 9,753.66 and 3,881.55

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Solution

The fourth proportional to 7,068.20, 9,753.66 and 3,881.55 is: 5,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.20 : 9,753.66 = 3,881.55 : x
  2. Step 2: Convert to fraction form
    7,068.20/9,753.66 = 3,881.55/x
  3. Step 3: Cross multiply
    7,068.20x = 9,753.66 × 3,881.55
  4. Step 4: Simplify right side
    7,068.20x = 37,859,355.55
  5. Step 5: Solve for x
    x = 37,859,355.55/7,068.20
  6. Step 6: Final answer
    x = 5,356.30

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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.