Home / 1,475.30-2,035.97-845.95

Finding the Fourth Proportional to 1,475.30, 2,035.97 and 845.95

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Solution

The fourth proportional to 1,475.30, 2,035.97 and 845.95 is: 1,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.30 : 2,035.97 = 845.95 : x
  2. Step 2: Convert to fraction form
    1,475.30/2,035.97 = 845.95/x
  3. Step 3: Cross multiply
    1,475.30x = 2,035.97 × 845.95
  4. Step 4: Simplify right side
    1,475.30x = 1,722,328.82
  5. Step 5: Solve for x
    x = 1,722,328.82/1,475.30
  6. Step 6: Final answer
    x = 1,167.44

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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.