Home / 7,339.13-11,010.72-2,897.90

Finding the Fourth Proportional to 7,339.13, 11,010.72 and 2,897.90

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Solution

The fourth proportional to 7,339.13, 11,010.72 and 2,897.90 is: 4,347.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.13 : 11,010.72 = 2,897.90 : x
  2. Step 2: Convert to fraction form
    7,339.13/11,010.72 = 2,897.90/x
  3. Step 3: Cross multiply
    7,339.13x = 11,010.72 × 2,897.90
  4. Step 4: Simplify right side
    7,339.13x = 31,907,937.96
  5. Step 5: Solve for x
    x = 31,907,937.96/7,339.13
  6. Step 6: Final answer
    x = 4,347.65

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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.