Home / 1,675.12-2,512.68-701.36

Finding the Fourth Proportional to 1,675.12, 2,512.68 and 701.36

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Solution

The fourth proportional to 1,675.12, 2,512.68 and 701.36 is: 1,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.12 : 2,512.68 = 701.36 : x
  2. Step 2: Convert to fraction form
    1,675.12/2,512.68 = 701.36/x
  3. Step 3: Cross multiply
    1,675.12x = 2,512.68 × 701.36
  4. Step 4: Simplify right side
    1,675.12x = 1,762,293.24
  5. Step 5: Solve for x
    x = 1,762,293.24/1,675.12
  6. Step 6: Final answer
    x = 1,052.04

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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.