Home / 5,382.32-7,427.28-3,024.32

Finding the Fourth Proportional to 5,382.32, 7,427.28 and 3,024.32

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Solution

The fourth proportional to 5,382.32, 7,427.28 and 3,024.32 is: 4,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.32 : 7,427.28 = 3,024.32 : x
  2. Step 2: Convert to fraction form
    5,382.32/7,427.28 = 3,024.32/x
  3. Step 3: Cross multiply
    5,382.32x = 7,427.28 × 3,024.32
  4. Step 4: Simplify right side
    5,382.32x = 22,462,471.45
  5. Step 5: Solve for x
    x = 22,462,471.45/5,382.32
  6. Step 6: Final answer
    x = 4,173.38

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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.