Home / 5,487.11-7,573.28-4,158.48

Finding the Fourth Proportional to 5,487.11, 7,573.28 and 4,158.48

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Solution

The fourth proportional to 5,487.11, 7,573.28 and 4,158.48 is: 5,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.11 : 7,573.28 = 4,158.48 : x
  2. Step 2: Convert to fraction form
    5,487.11/7,573.28 = 4,158.48/x
  3. Step 3: Cross multiply
    5,487.11x = 7,573.28 × 4,158.48
  4. Step 4: Simplify right side
    5,487.11x = 31,493,333.41
  5. Step 5: Solve for x
    x = 31,493,333.41/5,487.11
  6. Step 6: Final answer
    x = 5,739.51

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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.