Home / 5,760.10-8,642.58-3,424.56

Finding the Fourth Proportional to 5,760.10, 8,642.58 and 3,424.56

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Solution

The fourth proportional to 5,760.10, 8,642.58 and 3,424.56 is: 5,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.10 : 8,642.58 = 3,424.56 : x
  2. Step 2: Convert to fraction form
    5,760.10/8,642.58 = 3,424.56/x
  3. Step 3: Cross multiply
    5,760.10x = 8,642.58 × 3,424.56
  4. Step 4: Simplify right side
    5,760.10x = 29,597,053.33
  5. Step 5: Solve for x
    x = 29,597,053.33/5,760.10
  6. Step 6: Final answer
    x = 5,138.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.