Home / 7,514.16-10,369.72-4,157.20

Finding the Fourth Proportional to 7,514.16, 10,369.72 and 4,157.20

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Solution

The fourth proportional to 7,514.16, 10,369.72 and 4,157.20 is: 5,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.16 : 10,369.72 = 4,157.20 : x
  2. Step 2: Convert to fraction form
    7,514.16/10,369.72 = 4,157.20/x
  3. Step 3: Cross multiply
    7,514.16x = 10,369.72 × 4,157.20
  4. Step 4: Simplify right side
    7,514.16x = 43,108,999.98
  5. Step 5: Solve for x
    x = 43,108,999.98/7,514.16
  6. Step 6: Final answer
    x = 5,737.04

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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.