Home / 1,131.46-1,698.26-584.02

Finding the Fourth Proportional to 1,131.46, 1,698.26 and 584.02

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Solution

The fourth proportional to 1,131.46, 1,698.26 and 584.02 is: 876.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.46 : 1,698.26 = 584.02 : x
  2. Step 2: Convert to fraction form
    1,131.46/1,698.26 = 584.02/x
  3. Step 3: Cross multiply
    1,131.46x = 1,698.26 × 584.02
  4. Step 4: Simplify right side
    1,131.46x = 991,817.81
  5. Step 5: Solve for x
    x = 991,817.81/1,131.46
  6. Step 6: Final answer
    x = 876.58

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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.