Home / 1,167.92-1,743.75-1,051.28

Finding the Fourth Proportional to 1,167.92, 1,743.75 and 1,051.28

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Solution

The fourth proportional to 1,167.92, 1,743.75 and 1,051.28 is: 1,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.92 : 1,743.75 = 1,051.28 : x
  2. Step 2: Convert to fraction form
    1,167.92/1,743.75 = 1,051.28/x
  3. Step 3: Cross multiply
    1,167.92x = 1,743.75 × 1,051.28
  4. Step 4: Simplify right side
    1,167.92x = 1,833,170.28
  5. Step 5: Solve for x
    x = 1,833,170.28/1,167.92
  6. Step 6: Final answer
    x = 1,569.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.