Home / 2,482.24-3,422.64-2,265.28

Finding the Fourth Proportional to 2,482.24, 3,422.64 and 2,265.28

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Solution

The fourth proportional to 2,482.24, 3,422.64 and 2,265.28 is: 3,123.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.24 : 3,422.64 = 2,265.28 : x
  2. Step 2: Convert to fraction form
    2,482.24/3,422.64 = 2,265.28/x
  3. Step 3: Cross multiply
    2,482.24x = 3,422.64 × 2,265.28
  4. Step 4: Simplify right side
    2,482.24x = 7,753,237.94
  5. Step 5: Solve for x
    x = 7,753,237.94/2,482.24
  6. Step 6: Final answer
    x = 3,123.48

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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.