Home / 4,967.11-7,449.45-1,680.13

Finding the Fourth Proportional to 4,967.11, 7,449.45 and 1,680.13

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Solution

The fourth proportional to 4,967.11, 7,449.45 and 1,680.13 is: 2,519.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.11 : 7,449.45 = 1,680.13 : x
  2. Step 2: Convert to fraction form
    4,967.11/7,449.45 = 1,680.13/x
  3. Step 3: Cross multiply
    4,967.11x = 7,449.45 × 1,680.13
  4. Step 4: Simplify right side
    4,967.11x = 12,516,044.43
  5. Step 5: Solve for x
    x = 12,516,044.43/4,967.11
  6. Step 6: Final answer
    x = 2,519.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.