Home / 1,716.46-2,572.70-675.43

Finding the Fourth Proportional to 1,716.46, 2,572.70 and 675.43

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Solution

The fourth proportional to 1,716.46, 2,572.70 and 675.43 is: 1,012.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.46 : 2,572.70 = 675.43 : x
  2. Step 2: Convert to fraction form
    1,716.46/2,572.70 = 675.43/x
  3. Step 3: Cross multiply
    1,716.46x = 2,572.70 × 675.43
  4. Step 4: Simplify right side
    1,716.46x = 1,737,678.76
  5. Step 5: Solve for x
    x = 1,737,678.76/1,716.46
  6. Step 6: Final answer
    x = 1,012.36

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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.