Home / 2,039.04-3,058.38-1,385.12

Finding the Fourth Proportional to 2,039.04, 3,058.38 and 1,385.12

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Solution

The fourth proportional to 2,039.04, 3,058.38 and 1,385.12 is: 2,077.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.04 : 3,058.38 = 1,385.12 : x
  2. Step 2: Convert to fraction form
    2,039.04/3,058.38 = 1,385.12/x
  3. Step 3: Cross multiply
    2,039.04x = 3,058.38 × 1,385.12
  4. Step 4: Simplify right side
    2,039.04x = 4,236,230.95
  5. Step 5: Solve for x
    x = 4,236,230.95/2,039.04
  6. Step 6: Final answer
    x = 2,077.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.