Home / 5,148.19-7,732.61-3,072.24

Finding the Fourth Proportional to 5,148.19, 7,732.61 and 3,072.24

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Solution

The fourth proportional to 5,148.19, 7,732.61 and 3,072.24 is: 4,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.19 : 7,732.61 = 3,072.24 : x
  2. Step 2: Convert to fraction form
    5,148.19/7,732.61 = 3,072.24/x
  3. Step 3: Cross multiply
    5,148.19x = 7,732.61 × 3,072.24
  4. Step 4: Simplify right side
    5,148.19x = 23,756,433.75
  5. Step 5: Solve for x
    x = 23,756,433.75/5,148.19
  6. Step 6: Final answer
    x = 4,614.52

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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.