Home / 1,359.12-2,032.46-1,012.70

Finding the Fourth Proportional to 1,359.12, 2,032.46 and 1,012.70

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Solution

The fourth proportional to 1,359.12, 2,032.46 and 1,012.70 is: 1,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.12 : 2,032.46 = 1,012.70 : x
  2. Step 2: Convert to fraction form
    1,359.12/2,032.46 = 1,012.70/x
  3. Step 3: Cross multiply
    1,359.12x = 2,032.46 × 1,012.70
  4. Step 4: Simplify right side
    1,359.12x = 2,058,276.06
  5. Step 5: Solve for x
    x = 2,058,276.06/1,359.12
  6. Step 6: Final answer
    x = 1,514.41

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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.