Home / 5,445.20-7,514.23-3,176.97

Finding the Fourth Proportional to 5,445.20, 7,514.23 and 3,176.97

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Solution

The fourth proportional to 5,445.20, 7,514.23 and 3,176.97 is: 4,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.20 : 7,514.23 = 3,176.97 : x
  2. Step 2: Convert to fraction form
    5,445.20/7,514.23 = 3,176.97/x
  3. Step 3: Cross multiply
    5,445.20x = 7,514.23 × 3,176.97
  4. Step 4: Simplify right side
    5,445.20x = 23,872,483.28
  5. Step 5: Solve for x
    x = 23,872,483.28/5,445.20
  6. Step 6: Final answer
    x = 4,384.13

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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.