Home / 7,514.42-10,369.10-4,156.70

Finding the Fourth Proportional to 7,514.42, 10,369.10 and 4,156.70

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Solution

The fourth proportional to 7,514.42, 10,369.10 and 4,156.70 is: 5,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,514.42 : 10,369.10 = 4,156.70 : x
  2. Step 2: Convert to fraction form
    7,514.42/10,369.10 = 4,156.70/x
  3. Step 3: Cross multiply
    7,514.42x = 10,369.10 × 4,156.70
  4. Step 4: Simplify right side
    7,514.42x = 43,101,237.97
  5. Step 5: Solve for x
    x = 43,101,237.97/7,514.42
  6. Step 6: Final answer
    x = 5,735.80

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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.