Home / 5,372.81-7,405.91-4,236.62

Finding the Fourth Proportional to 5,372.81, 7,405.91 and 4,236.62

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Solution

The fourth proportional to 5,372.81, 7,405.91 and 4,236.62 is: 5,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.81 : 7,405.91 = 4,236.62 : x
  2. Step 2: Convert to fraction form
    5,372.81/7,405.91 = 4,236.62/x
  3. Step 3: Cross multiply
    5,372.81x = 7,405.91 × 4,236.62
  4. Step 4: Simplify right side
    5,372.81x = 31,376,026.42
  5. Step 5: Solve for x
    x = 31,376,026.42/5,372.81
  6. Step 6: Final answer
    x = 5,839.78

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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.