Home / 5,231.27-7,216.13-3,134.18

Finding the Fourth Proportional to 5,231.27, 7,216.13 and 3,134.18

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Solution

The fourth proportional to 5,231.27, 7,216.13 and 3,134.18 is: 4,323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.27 : 7,216.13 = 3,134.18 : x
  2. Step 2: Convert to fraction form
    5,231.27/7,216.13 = 3,134.18/x
  3. Step 3: Cross multiply
    5,231.27x = 7,216.13 × 3,134.18
  4. Step 4: Simplify right side
    5,231.27x = 22,616,598.57
  5. Step 5: Solve for x
    x = 22,616,598.57/5,231.27
  6. Step 6: Final answer
    x = 4,323.35

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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.