Home / 5,211.76-7,192.92-3,354.16

Finding the Fourth Proportional to 5,211.76, 7,192.92 and 3,354.16

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Solution

The fourth proportional to 5,211.76, 7,192.92 and 3,354.16 is: 4,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.76 : 7,192.92 = 3,354.16 : x
  2. Step 2: Convert to fraction form
    5,211.76/7,192.92 = 3,354.16/x
  3. Step 3: Cross multiply
    5,211.76x = 7,192.92 × 3,354.16
  4. Step 4: Simplify right side
    5,211.76x = 24,126,204.55
  5. Step 5: Solve for x
    x = 24,126,204.55/5,211.76
  6. Step 6: Final answer
    x = 4,629.19

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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.