Home / 5,451.17-8,178.08-1,753.75

Finding the Fourth Proportional to 5,451.17, 8,178.08 and 1,753.75

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Solution

The fourth proportional to 5,451.17, 8,178.08 and 1,753.75 is: 2,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.17 : 8,178.08 = 1,753.75 : x
  2. Step 2: Convert to fraction form
    5,451.17/8,178.08 = 1,753.75/x
  3. Step 3: Cross multiply
    5,451.17x = 8,178.08 × 1,753.75
  4. Step 4: Simplify right side
    5,451.17x = 14,342,278.59
  5. Step 5: Solve for x
    x = 14,342,278.59/5,451.17
  6. Step 6: Final answer
    x = 2,631.04

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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.