Home / 5,613.16-8,419.76-2,531.56

Finding the Fourth Proportional to 5,613.16, 8,419.76 and 2,531.56

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Solution

The fourth proportional to 5,613.16, 8,419.76 and 2,531.56 is: 3,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.16 : 8,419.76 = 2,531.56 : x
  2. Step 2: Convert to fraction form
    5,613.16/8,419.76 = 2,531.56/x
  3. Step 3: Cross multiply
    5,613.16x = 8,419.76 × 2,531.56
  4. Step 4: Simplify right side
    5,613.16x = 21,315,127.63
  5. Step 5: Solve for x
    x = 21,315,127.63/5,613.16
  6. Step 6: Final answer
    x = 3,797.35

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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.