Home / 5,062.52-6,981.18-3,072.76

Finding the Fourth Proportional to 5,062.52, 6,981.18 and 3,072.76

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Solution

The fourth proportional to 5,062.52, 6,981.18 and 3,072.76 is: 4,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.52 : 6,981.18 = 3,072.76 : x
  2. Step 2: Convert to fraction form
    5,062.52/6,981.18 = 3,072.76/x
  3. Step 3: Cross multiply
    5,062.52x = 6,981.18 × 3,072.76
  4. Step 4: Simplify right side
    5,062.52x = 21,451,490.66
  5. Step 5: Solve for x
    x = 21,451,490.66/5,062.52
  6. Step 6: Final answer
    x = 4,237.31

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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.