Home / 5,251.24-7,876.86-4,930.48

Finding the Fourth Proportional to 5,251.24, 7,876.86 and 4,930.48

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Solution

The fourth proportional to 5,251.24, 7,876.86 and 4,930.48 is: 7,395.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.24 : 7,876.86 = 4,930.48 : x
  2. Step 2: Convert to fraction form
    5,251.24/7,876.86 = 4,930.48/x
  3. Step 3: Cross multiply
    5,251.24x = 7,876.86 × 4,930.48
  4. Step 4: Simplify right side
    5,251.24x = 38,836,700.69
  5. Step 5: Solve for x
    x = 38,836,700.69/5,251.24
  6. Step 6: Final answer
    x = 7,395.72

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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.