Home / 3,058.62-4,221.10-1,732.32

Finding the Fourth Proportional to 3,058.62, 4,221.10 and 1,732.32

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Solution

The fourth proportional to 3,058.62, 4,221.10 and 1,732.32 is: 2,390.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.62 : 4,221.10 = 1,732.32 : x
  2. Step 2: Convert to fraction form
    3,058.62/4,221.10 = 1,732.32/x
  3. Step 3: Cross multiply
    3,058.62x = 4,221.10 × 1,732.32
  4. Step 4: Simplify right side
    3,058.62x = 7,312,295.95
  5. Step 5: Solve for x
    x = 7,312,295.95/3,058.62
  6. Step 6: Final answer
    x = 2,390.72

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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.