Home / 5,447.72-7,524.60-3,953.24

Finding the Fourth Proportional to 5,447.72, 7,524.60 and 3,953.24

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Solution

The fourth proportional to 5,447.72, 7,524.60 and 3,953.24 is: 5,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.72 : 7,524.60 = 3,953.24 : x
  2. Step 2: Convert to fraction form
    5,447.72/7,524.60 = 3,953.24/x
  3. Step 3: Cross multiply
    5,447.72x = 7,524.60 × 3,953.24
  4. Step 4: Simplify right side
    5,447.72x = 29,746,549.70
  5. Step 5: Solve for x
    x = 29,746,549.70/5,447.72
  6. Step 6: Final answer
    x = 5,460.37

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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.