Home / 3,058.15-4,220.48-1,732.05

Finding the Fourth Proportional to 3,058.15, 4,220.48 and 1,732.05

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Solution

The fourth proportional to 3,058.15, 4,220.48 and 1,732.05 is: 2,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.15 : 4,220.48 = 1,732.05 : x
  2. Step 2: Convert to fraction form
    3,058.15/4,220.48 = 1,732.05/x
  3. Step 3: Cross multiply
    3,058.15x = 4,220.48 × 1,732.05
  4. Step 4: Simplify right side
    3,058.15x = 7,310,082.38
  5. Step 5: Solve for x
    x = 7,310,082.38/3,058.15
  6. Step 6: Final answer
    x = 2,390.36

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Half 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.