Home / 5,306.54-7,320.90-3,712.76

Finding the Fourth Proportional to 5,306.54, 7,320.90 and 3,712.76

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Solution

The fourth proportional to 5,306.54, 7,320.90 and 3,712.76 is: 5,122.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.54 : 7,320.90 = 3,712.76 : x
  2. Step 2: Convert to fraction form
    5,306.54/7,320.90 = 3,712.76/x
  3. Step 3: Cross multiply
    5,306.54x = 7,320.90 × 3,712.76
  4. Step 4: Simplify right side
    5,306.54x = 27,180,708.08
  5. Step 5: Solve for x
    x = 27,180,708.08/5,306.54
  6. Step 6: Final answer
    x = 5,122.12

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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.