Home / 7,353.76-11,030.10-2,160.04

Finding the Fourth Proportional to 7,353.76, 11,030.10 and 2,160.04

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Solution

The fourth proportional to 7,353.76, 11,030.10 and 2,160.04 is: 3,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.76 : 11,030.10 = 2,160.04 : x
  2. Step 2: Convert to fraction form
    7,353.76/11,030.10 = 2,160.04/x
  3. Step 3: Cross multiply
    7,353.76x = 11,030.10 × 2,160.04
  4. Step 4: Simplify right side
    7,353.76x = 23,825,457.20
  5. Step 5: Solve for x
    x = 23,825,457.20/7,353.76
  6. Step 6: Final answer
    x = 3,239.90

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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.