Home / 7,353.30-11,031.66-2,159.58

Finding the Fourth Proportional to 7,353.30, 11,031.66 and 2,159.58

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Solution

The fourth proportional to 7,353.30, 11,031.66 and 2,159.58 is: 3,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.30 : 11,031.66 = 2,159.58 : x
  2. Step 2: Convert to fraction form
    7,353.30/11,031.66 = 2,159.58/x
  3. Step 3: Cross multiply
    7,353.30x = 11,031.66 × 2,159.58
  4. Step 4: Simplify right side
    7,353.30x = 23,823,752.30
  5. Step 5: Solve for x
    x = 23,823,752.30/7,353.30
  6. Step 6: Final answer
    x = 3,239.87

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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.