Home / 5,253.90-7,250.28-2,896.05

Finding the Fourth Proportional to 5,253.90, 7,250.28 and 2,896.05

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Solution

The fourth proportional to 5,253.90, 7,250.28 and 2,896.05 is: 3,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.90 : 7,250.28 = 2,896.05 : x
  2. Step 2: Convert to fraction form
    5,253.90/7,250.28 = 2,896.05/x
  3. Step 3: Cross multiply
    5,253.90x = 7,250.28 × 2,896.05
  4. Step 4: Simplify right side
    5,253.90x = 20,997,173.39
  5. Step 5: Solve for x
    x = 20,997,173.39/5,253.90
  6. Step 6: Final answer
    x = 3,996.49

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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.