Home / 5,233.95-7,851.87-2,312.55

Finding the Fourth Proportional to 5,233.95, 7,851.87 and 2,312.55

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Solution

The fourth proportional to 5,233.95, 7,851.87 and 2,312.55 is: 3,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.95 : 7,851.87 = 2,312.55 : x
  2. Step 2: Convert to fraction form
    5,233.95/7,851.87 = 2,312.55/x
  3. Step 3: Cross multiply
    5,233.95x = 7,851.87 × 2,312.55
  4. Step 4: Simplify right side
    5,233.95x = 18,157,841.97
  5. Step 5: Solve for x
    x = 18,157,841.97/5,233.95
  6. Step 6: Final answer
    x = 3,469.24

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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.