Home / 7,429.52-11,132.54-2,743.07

Finding the Fourth Proportional to 7,429.52, 11,132.54 and 2,743.07

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Solution

The fourth proportional to 7,429.52, 11,132.54 and 2,743.07 is: 4,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.52 : 11,132.54 = 2,743.07 : x
  2. Step 2: Convert to fraction form
    7,429.52/11,132.54 = 2,743.07/x
  3. Step 3: Cross multiply
    7,429.52x = 11,132.54 × 2,743.07
  4. Step 4: Simplify right side
    7,429.52x = 30,537,267.12
  5. Step 5: Solve for x
    x = 30,537,267.12/7,429.52
  6. Step 6: Final answer
    x = 4,110.26

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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.