Home / 7,514.47-10,369.85-4,157.22

Finding the Fourth Proportional to 7,514.47, 10,369.85 and 4,157.22

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Solution

The fourth proportional to 7,514.47, 10,369.85 and 4,157.22 is: 5,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.47 : 10,369.85 = 4,157.22 : x
  2. Step 2: Convert to fraction form
    7,514.47/10,369.85 = 4,157.22/x
  3. Step 3: Cross multiply
    7,514.47x = 10,369.85 × 4,157.22
  4. Step 4: Simplify right side
    7,514.47x = 43,109,777.61
  5. Step 5: Solve for x
    x = 43,109,777.61/7,514.47
  6. Step 6: Final answer
    x = 5,736.90

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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.