Home / 7,002.19-10,503.26-2,071.86

Finding the Fourth Proportional to 7,002.19, 10,503.26 and 2,071.86

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Solution

The fourth proportional to 7,002.19, 10,503.26 and 2,071.86 is: 3,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.19 : 10,503.26 = 2,071.86 : x
  2. Step 2: Convert to fraction form
    7,002.19/10,503.26 = 2,071.86/x
  3. Step 3: Cross multiply
    7,002.19x = 10,503.26 × 2,071.86
  4. Step 4: Simplify right side
    7,002.19x = 21,761,273.90
  5. Step 5: Solve for x
    x = 21,761,273.90/7,002.19
  6. Step 6: Final answer
    x = 3,107.78

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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.