Home / 1,118.06-1,549.99-1,058.82

Finding the Fourth Proportional to 1,118.06, 1,549.99 and 1,058.82

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Solution

The fourth proportional to 1,118.06, 1,549.99 and 1,058.82 is: 1,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.06 : 1,549.99 = 1,058.82 : x
  2. Step 2: Convert to fraction form
    1,118.06/1,549.99 = 1,058.82/x
  3. Step 3: Cross multiply
    1,118.06x = 1,549.99 × 1,058.82
  4. Step 4: Simplify right side
    1,118.06x = 1,641,160.41
  5. Step 5: Solve for x
    x = 1,641,160.41/1,118.06
  6. Step 6: Final answer
    x = 1,467.86

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.