Home / 4,705.20-7,058.08-1,242.44

Finding the Fourth Proportional to 4,705.20, 7,058.08 and 1,242.44

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Solution

The fourth proportional to 4,705.20, 7,058.08 and 1,242.44 is: 1,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.20 : 7,058.08 = 1,242.44 : x
  2. Step 2: Convert to fraction form
    4,705.20/7,058.08 = 1,242.44/x
  3. Step 3: Cross multiply
    4,705.20x = 7,058.08 × 1,242.44
  4. Step 4: Simplify right side
    4,705.20x = 8,769,240.92
  5. Step 5: Solve for x
    x = 8,769,240.92/4,705.20
  6. Step 6: Final answer
    x = 1,863.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.