Home / 1,133.24-1,700.88-949.31

Finding the Fourth Proportional to 1,133.24, 1,700.88 and 949.31

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Solution

The fourth proportional to 1,133.24, 1,700.88 and 949.31 is: 1,424.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133.24 : 1,700.88 = 949.31 : x
  2. Step 2: Convert to fraction form
    1,133.24/1,700.88 = 949.31/x
  3. Step 3: Cross multiply
    1,133.24x = 1,700.88 × 949.31
  4. Step 4: Simplify right side
    1,133.24x = 1,614,653.89
  5. Step 5: Solve for x
    x = 1,614,653.89/1,133.24
  6. Step 6: Final answer
    x = 1,424.82

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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.