Home / 1,757.02-2,633.70-716.57

Finding the Fourth Proportional to 1,757.02, 2,633.70 and 716.57

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Solution

The fourth proportional to 1,757.02, 2,633.70 and 716.57 is: 1,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757.02 : 2,633.70 = 716.57 : x
  2. Step 2: Convert to fraction form
    1,757.02/2,633.70 = 716.57/x
  3. Step 3: Cross multiply
    1,757.02x = 2,633.70 × 716.57
  4. Step 4: Simplify right side
    1,757.02x = 1,887,230.41
  5. Step 5: Solve for x
    x = 1,887,230.41/1,757.02
  6. Step 6: Final answer
    x = 1,074.11

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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.