Home / 1,700.28-2,551.26-823.52

Finding the Fourth Proportional to 1,700.28, 2,551.26 and 823.52

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Solution

The fourth proportional to 1,700.28, 2,551.26 and 823.52 is: 1,235.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.28 : 2,551.26 = 823.52 : x
  2. Step 2: Convert to fraction form
    1,700.28/2,551.26 = 823.52/x
  3. Step 3: Cross multiply
    1,700.28x = 2,551.26 × 823.52
  4. Step 4: Simplify right side
    1,700.28x = 2,101,013.64
  5. Step 5: Solve for x
    x = 2,101,013.64/1,700.28
  6. Step 6: Final answer
    x = 1,235.69

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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.