Home / 5,276.72-7,279.20-4,901.52

Finding the Fourth Proportional to 5,276.72, 7,279.20 and 4,901.52

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Solution

The fourth proportional to 5,276.72, 7,279.20 and 4,901.52 is: 6,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.72 : 7,279.20 = 4,901.52 : x
  2. Step 2: Convert to fraction form
    5,276.72/7,279.20 = 4,901.52/x
  3. Step 3: Cross multiply
    5,276.72x = 7,279.20 × 4,901.52
  4. Step 4: Simplify right side
    5,276.72x = 35,679,144.38
  5. Step 5: Solve for x
    x = 35,679,144.38/5,276.72
  6. Step 6: Final answer
    x = 6,761.61

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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.