Home / 7,372.33-11,051.86-2,689.08

Finding the Fourth Proportional to 7,372.33, 11,051.86 and 2,689.08

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Solution

The fourth proportional to 7,372.33, 11,051.86 and 2,689.08 is: 4,031.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.33 : 11,051.86 = 2,689.08 : x
  2. Step 2: Convert to fraction form
    7,372.33/11,051.86 = 2,689.08/x
  3. Step 3: Cross multiply
    7,372.33x = 11,051.86 × 2,689.08
  4. Step 4: Simplify right side
    7,372.33x = 29,719,300.13
  5. Step 5: Solve for x
    x = 29,719,300.13/7,372.33
  6. Step 6: Final answer
    x = 4,031.19

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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.