Home / 3,058.38-4,220.55-1,732.32

Finding the Fourth Proportional to 3,058.38, 4,220.55 and 1,732.32

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Solution

The fourth proportional to 3,058.38, 4,220.55 and 1,732.32 is: 2,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.38 : 4,220.55 = 1,732.32 : x
  2. Step 2: Convert to fraction form
    3,058.38/4,220.55 = 1,732.32/x
  3. Step 3: Cross multiply
    3,058.38x = 4,220.55 × 1,732.32
  4. Step 4: Simplify right side
    3,058.38x = 7,311,343.18
  5. Step 5: Solve for x
    x = 7,311,343.18/3,058.38
  6. Step 6: Final answer
    x = 2,390.59

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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.