Home / 5,162.39-7,123.85-2,924.28

Finding the Fourth Proportional to 5,162.39, 7,123.85 and 2,924.28

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Solution

The fourth proportional to 5,162.39, 7,123.85 and 2,924.28 is: 4,035.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,162.39 : 7,123.85 = 2,924.28 : x
  2. Step 2: Convert to fraction form
    5,162.39/7,123.85 = 2,924.28/x
  3. Step 3: Cross multiply
    5,162.39x = 7,123.85 × 2,924.28
  4. Step 4: Simplify right side
    5,162.39x = 20,832,132.08
  5. Step 5: Solve for x
    x = 20,832,132.08/5,162.39
  6. Step 6: Final answer
    x = 4,035.37

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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.