Home / 4,705.47-7,058.24-1,418.55

Finding the Fourth Proportional to 4,705.47, 7,058.24 and 1,418.55

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Solution

The fourth proportional to 4,705.47, 7,058.24 and 1,418.55 is: 2,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.47 : 7,058.24 = 1,418.55 : x
  2. Step 2: Convert to fraction form
    4,705.47/7,058.24 = 1,418.55/x
  3. Step 3: Cross multiply
    4,705.47x = 7,058.24 × 1,418.55
  4. Step 4: Simplify right side
    4,705.47x = 10,012,459.26
  5. Step 5: Solve for x
    x = 10,012,459.26/4,705.47
  6. Step 6: Final answer
    x = 2,127.83

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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.