Home / 4,045.32-5,579.82-2,470.68

Finding the Fourth Proportional to 4,045.32, 5,579.82 and 2,470.68

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Solution

The fourth proportional to 4,045.32, 5,579.82 and 2,470.68 is: 3,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,045.32 : 5,579.82 = 2,470.68 : x
  2. Step 2: Convert to fraction form
    4,045.32/5,579.82 = 2,470.68/x
  3. Step 3: Cross multiply
    4,045.32x = 5,579.82 × 2,470.68
  4. Step 4: Simplify right side
    4,045.32x = 13,785,949.68
  5. Step 5: Solve for x
    x = 13,785,949.68/4,045.32
  6. Step 6: Final answer
    x = 3,407.88

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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.