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Finding the Fourth Proportional to 5,058, 7,587 and 1,770.35

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Solution

The fourth proportional to 5,058, 7,587 and 1,770.35 is: 2,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058 : 7,587 = 1,770.35 : x
  2. Step 2: Convert to fraction form
    5,058/7,587 = 1,770.35/x
  3. Step 3: Cross multiply
    5,058x = 7,587 × 1,770.35
  4. Step 4: Simplify right side
    5,058x = 13,431,607.52
  5. Step 5: Solve for x
    x = 13,431,607.52/5,058
  6. Step 6: Final answer
    x = 2,655.52

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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.