Home / 1,125.48-1,685.52-1,033.14

Finding the Fourth Proportional to 1,125.48, 1,685.52 and 1,033.14

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Solution

The fourth proportional to 1,125.48, 1,685.52 and 1,033.14 is: 1,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.48 : 1,685.52 = 1,033.14 : x
  2. Step 2: Convert to fraction form
    1,125.48/1,685.52 = 1,033.14/x
  3. Step 3: Cross multiply
    1,125.48x = 1,685.52 × 1,033.14
  4. Step 4: Simplify right side
    1,125.48x = 1,741,378.13
  5. Step 5: Solve for x
    x = 1,741,378.13/1,125.48
  6. Step 6: Final answer
    x = 1,547.23

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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.