Home / 4,265.34-6,400.76-2,072.88

Finding the Fourth Proportional to 4,265.34, 6,400.76 and 2,072.88

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Solution

The fourth proportional to 4,265.34, 6,400.76 and 2,072.88 is: 3,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,265.34 : 6,400.76 = 2,072.88 : x
  2. Step 2: Convert to fraction form
    4,265.34/6,400.76 = 2,072.88/x
  3. Step 3: Cross multiply
    4,265.34x = 6,400.76 × 2,072.88
  4. Step 4: Simplify right side
    4,265.34x = 13,267,997.02
  5. Step 5: Solve for x
    x = 13,267,997.02/4,265.34
  6. Step 6: Final answer
    x = 3,110.65

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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.