Home / 5,099.52-7,037.44-3,981.76

Finding the Fourth Proportional to 5,099.52, 7,037.44 and 3,981.76

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Solution

The fourth proportional to 5,099.52, 7,037.44 and 3,981.76 is: 5,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.52 : 7,037.44 = 3,981.76 : x
  2. Step 2: Convert to fraction form
    5,099.52/7,037.44 = 3,981.76/x
  3. Step 3: Cross multiply
    5,099.52x = 7,037.44 × 3,981.76
  4. Step 4: Simplify right side
    5,099.52x = 28,021,397.09
  5. Step 5: Solve for x
    x = 28,021,397.09/5,099.52
  6. Step 6: Final answer
    x = 5,494.91

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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.