Home / 5,233.85-7,851.14-2,312.18

Finding the Fourth Proportional to 5,233.85, 7,851.14 and 2,312.18

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Solution

The fourth proportional to 5,233.85, 7,851.14 and 2,312.18 is: 3,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.85 : 7,851.14 = 2,312.18 : x
  2. Step 2: Convert to fraction form
    5,233.85/7,851.14 = 2,312.18/x
  3. Step 3: Cross multiply
    5,233.85x = 7,851.14 × 2,312.18
  4. Step 4: Simplify right side
    5,233.85x = 18,153,248.89
  5. Step 5: Solve for x
    x = 18,153,248.89/5,233.85
  6. Step 6: Final answer
    x = 3,468.43

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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.