Home / 5,445.76-7,517.16-3,457.60

Finding the Fourth Proportional to 5,445.76, 7,517.16 and 3,457.60

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Solution

The fourth proportional to 5,445.76, 7,517.16 and 3,457.60 is: 4,772.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.76 : 7,517.16 = 3,457.60 : x
  2. Step 2: Convert to fraction form
    5,445.76/7,517.16 = 3,457.60/x
  3. Step 3: Cross multiply
    5,445.76x = 7,517.16 × 3,457.60
  4. Step 4: Simplify right side
    5,445.76x = 25,991,332.42
  5. Step 5: Solve for x
    x = 25,991,332.42/5,445.76
  6. Step 6: Final answer
    x = 4,772.76

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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.