Home / 3,058.46-4,220.67-1,732.13

Finding the Fourth Proportional to 3,058.46, 4,220.67 and 1,732.13

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Solution

The fourth proportional to 3,058.46, 4,220.67 and 1,732.13 is: 2,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.46 : 4,220.67 = 1,732.13 : x
  2. Step 2: Convert to fraction form
    3,058.46/4,220.67 = 1,732.13/x
  3. Step 3: Cross multiply
    3,058.46x = 4,220.67 × 1,732.13
  4. Step 4: Simplify right side
    3,058.46x = 7,310,728.02
  5. Step 5: Solve for x
    x = 7,310,728.02/3,058.46
  6. Step 6: Final answer
    x = 2,390.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.