Home / 5,439.15-8,146.17-5,348.84

Finding the Fourth Proportional to 5,439.15, 8,146.17 and 5,348.84

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Solution

The fourth proportional to 5,439.15, 8,146.17 and 5,348.84 is: 8,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.15 : 8,146.17 = 5,348.84 : x
  2. Step 2: Convert to fraction form
    5,439.15/8,146.17 = 5,348.84/x
  3. Step 3: Cross multiply
    5,439.15x = 8,146.17 × 5,348.84
  4. Step 4: Simplify right side
    5,439.15x = 43,572,519.21
  5. Step 5: Solve for x
    x = 43,572,519.21/5,439.15
  6. Step 6: Final answer
    x = 8,010.91

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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.