Home / 5,382.15-7,427.45-3,024.29

Finding the Fourth Proportional to 5,382.15, 7,427.45 and 3,024.29

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Solution

The fourth proportional to 5,382.15, 7,427.45 and 3,024.29 is: 4,173.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.15 : 7,427.45 = 3,024.29 : x
  2. Step 2: Convert to fraction form
    5,382.15/7,427.45 = 3,024.29/x
  3. Step 3: Cross multiply
    5,382.15x = 7,427.45 × 3,024.29
  4. Step 4: Simplify right side
    5,382.15x = 22,462,730.10
  5. Step 5: Solve for x
    x = 22,462,730.10/5,382.15
  6. Step 6: Final answer
    x = 4,173.56

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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.