Home / 5,267.39-7,901.10-2,149.11

Finding the Fourth Proportional to 5,267.39, 7,901.10 and 2,149.11

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Solution

The fourth proportional to 5,267.39, 7,901.10 and 2,149.11 is: 3,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.39 : 7,901.10 = 2,149.11 : x
  2. Step 2: Convert to fraction form
    5,267.39/7,901.10 = 2,149.11/x
  3. Step 3: Cross multiply
    5,267.39x = 7,901.10 × 2,149.11
  4. Step 4: Simplify right side
    5,267.39x = 16,980,333.02
  5. Step 5: Solve for x
    x = 16,980,333.02/5,267.39
  6. Step 6: Final answer
    x = 3,223.67

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1.5x scale

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.