Home / 5,254.69-7,251.62-2,896.98

Finding the Fourth Proportional to 5,254.69, 7,251.62 and 2,896.98

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Solution

The fourth proportional to 5,254.69, 7,251.62 and 2,896.98 is: 3,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.69 : 7,251.62 = 2,896.98 : x
  2. Step 2: Convert to fraction form
    5,254.69/7,251.62 = 2,896.98/x
  3. Step 3: Cross multiply
    5,254.69x = 7,251.62 × 2,896.98
  4. Step 4: Simplify right side
    5,254.69x = 21,007,798.11
  5. Step 5: Solve for x
    x = 21,007,798.11/5,254.69
  6. Step 6: Final answer
    x = 3,997.91

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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.