Home / 4,100.24-5,656.98-2,331.20

Finding the Fourth Proportional to 4,100.24, 5,656.98 and 2,331.20

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Solution

The fourth proportional to 4,100.24, 5,656.98 and 2,331.20 is: 3,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.24 : 5,656.98 = 2,331.20 : x
  2. Step 2: Convert to fraction form
    4,100.24/5,656.98 = 2,331.20/x
  3. Step 3: Cross multiply
    4,100.24x = 5,656.98 × 2,331.20
  4. Step 4: Simplify right side
    4,100.24x = 13,187,551.78
  5. Step 5: Solve for x
    x = 13,187,551.78/4,100.24
  6. Step 6: Final answer
    x = 3,216.29

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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.