Home / 5,416.78-7,478.76-3,324.52

Finding the Fourth Proportional to 5,416.78, 7,478.76 and 3,324.52

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Solution

The fourth proportional to 5,416.78, 7,478.76 and 3,324.52 is: 4,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.78 : 7,478.76 = 3,324.52 : x
  2. Step 2: Convert to fraction form
    5,416.78/7,478.76 = 3,324.52/x
  3. Step 3: Cross multiply
    5,416.78x = 7,478.76 × 3,324.52
  4. Step 4: Simplify right side
    5,416.78x = 24,863,287.20
  5. Step 5: Solve for x
    x = 24,863,287.20/5,416.78
  6. Step 6: Final answer
    x = 4,590.05

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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.