Home / 5,919.48-8,159.76-4,425.12

Finding the Fourth Proportional to 5,919.48, 8,159.76 and 4,425.12

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Solution

The fourth proportional to 5,919.48, 8,159.76 and 4,425.12 is: 6,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.48 : 8,159.76 = 4,425.12 : x
  2. Step 2: Convert to fraction form
    5,919.48/8,159.76 = 4,425.12/x
  3. Step 3: Cross multiply
    5,919.48x = 8,159.76 × 4,425.12
  4. Step 4: Simplify right side
    5,919.48x = 36,107,917.17
  5. Step 5: Solve for x
    x = 36,107,917.17/5,919.48
  6. Step 6: Final answer
    x = 6,099.85

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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.