Home / 4,020.76-5,547.18-2,448.28

Finding the Fourth Proportional to 4,020.76, 5,547.18 and 2,448.28

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Solution

The fourth proportional to 4,020.76, 5,547.18 and 2,448.28 is: 3,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.76 : 5,547.18 = 2,448.28 : x
  2. Step 2: Convert to fraction form
    4,020.76/5,547.18 = 2,448.28/x
  3. Step 3: Cross multiply
    4,020.76x = 5,547.18 × 2,448.28
  4. Step 4: Simplify right side
    4,020.76x = 13,581,049.85
  5. Step 5: Solve for x
    x = 13,581,049.85/4,020.76
  6. Step 6: Final answer
    x = 3,377.73

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Half scale
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Double scale
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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.