Home / 5,517.72-7,609.95-4,455.18

Finding the Fourth Proportional to 5,517.72, 7,609.95 and 4,455.18

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Solution

The fourth proportional to 5,517.72, 7,609.95 and 4,455.18 is: 6,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.72 : 7,609.95 = 4,455.18 : x
  2. Step 2: Convert to fraction form
    5,517.72/7,609.95 = 4,455.18/x
  3. Step 3: Cross multiply
    5,517.72x = 7,609.95 × 4,455.18
  4. Step 4: Simplify right side
    5,517.72x = 33,903,697.04
  5. Step 5: Solve for x
    x = 33,903,697.04/5,517.72
  6. Step 6: Final answer
    x = 6,144.51

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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.