Home / 3,058.30-4,587.06-867.22

Finding the Fourth Proportional to 3,058.30, 4,587.06 and 867.22

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Solution

The fourth proportional to 3,058.30, 4,587.06 and 867.22 is: 1,300.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.30 : 4,587.06 = 867.22 : x
  2. Step 2: Convert to fraction form
    3,058.30/4,587.06 = 867.22/x
  3. Step 3: Cross multiply
    3,058.30x = 4,587.06 × 867.22
  4. Step 4: Simplify right side
    3,058.30x = 3,977,990.17
  5. Step 5: Solve for x
    x = 3,977,990.17/3,058.30
  6. Step 6: Final answer
    x = 1,300.72

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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.