Home / 5,458.62-7,532.85-3,100.76

Finding the Fourth Proportional to 5,458.62, 7,532.85 and 3,100.76

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Solution

The fourth proportional to 5,458.62, 7,532.85 and 3,100.76 is: 4,279.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.62 : 7,532.85 = 3,100.76 : x
  2. Step 2: Convert to fraction form
    5,458.62/7,532.85 = 3,100.76/x
  3. Step 3: Cross multiply
    5,458.62x = 7,532.85 × 3,100.76
  4. Step 4: Simplify right side
    5,458.62x = 23,357,523.55
  5. Step 5: Solve for x
    x = 23,357,523.55/5,458.62
  6. Step 6: Final answer
    x = 4,279.02

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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.