Home / 4,042.40-5,577.74-2,448.73

Finding the Fourth Proportional to 4,042.40, 5,577.74 and 2,448.73

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Solution

The fourth proportional to 4,042.40, 5,577.74 and 2,448.73 is: 3,378.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.40 : 5,577.74 = 2,448.73 : x
  2. Step 2: Convert to fraction form
    4,042.40/5,577.74 = 2,448.73/x
  3. Step 3: Cross multiply
    4,042.40x = 5,577.74 × 2,448.73
  4. Step 4: Simplify right side
    4,042.40x = 13,658,351.38
  5. Step 5: Solve for x
    x = 13,658,351.38/4,042.40
  6. Step 6: Final answer
    x = 3,378.77

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Half scale
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Double scale
Find fourth proportional to 4,043.40, 5,579.12 and 2,449.73
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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.