Home / 5,514.39-7,609.87-3,156.53

Finding the Fourth Proportional to 5,514.39, 7,609.87 and 3,156.53

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Solution

The fourth proportional to 5,514.39, 7,609.87 and 3,156.53 is: 4,356.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.39 : 7,609.87 = 3,156.53 : x
  2. Step 2: Convert to fraction form
    5,514.39/7,609.87 = 3,156.53/x
  3. Step 3: Cross multiply
    5,514.39x = 7,609.87 × 3,156.53
  4. Step 4: Simplify right side
    5,514.39x = 24,020,777.38
  5. Step 5: Solve for x
    x = 24,020,777.38/5,514.39
  6. Step 6: Final answer
    x = 4,356.02

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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.