Home / 5,778.20-8,621.96-5,425.56

Finding the Fourth Proportional to 5,778.20, 8,621.96 and 5,425.56

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Solution

The fourth proportional to 5,778.20, 8,621.96 and 5,425.56 is: 8,095.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.20 : 8,621.96 = 5,425.56 : x
  2. Step 2: Convert to fraction form
    5,778.20/8,621.96 = 5,425.56/x
  3. Step 3: Cross multiply
    5,778.20x = 8,621.96 × 5,425.56
  4. Step 4: Simplify right side
    5,778.20x = 46,778,934.17
  5. Step 5: Solve for x
    x = 46,778,934.17/5,778.20
  6. Step 6: Final answer
    x = 8,095.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.