Home / 5,253.76-7,250.45-2,895.89

Finding the Fourth Proportional to 5,253.76, 7,250.45 and 2,895.89

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Solution

The fourth proportional to 5,253.76, 7,250.45 and 2,895.89 is: 3,996.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.76 : 7,250.45 = 2,895.89 : x
  2. Step 2: Convert to fraction form
    5,253.76/7,250.45 = 2,895.89/x
  3. Step 3: Cross multiply
    5,253.76x = 7,250.45 × 2,895.89
  4. Step 4: Simplify right side
    5,253.76x = 20,996,454.92
  5. Step 5: Solve for x
    x = 20,996,454.92/5,253.76
  6. Step 6: Final answer
    x = 3,996.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.