Home / 7,002.11-10,503.93-2,071.76

Finding the Fourth Proportional to 7,002.11, 10,503.93 and 2,071.76

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Solution

The fourth proportional to 7,002.11, 10,503.93 and 2,071.76 is: 3,107.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,002.11 : 10,503.93 = 2,071.76 : x
  2. Step 2: Convert to fraction form
    7,002.11/10,503.93 = 2,071.76/x
  3. Step 3: Cross multiply
    7,002.11x = 10,503.93 × 2,071.76
  4. Step 4: Simplify right side
    7,002.11x = 21,761,569.50
  5. Step 5: Solve for x
    x = 21,761,569.50/7,002.11
  6. Step 6: Final answer
    x = 3,107.86

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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.