Home / 5,133.46-7,084.06-2,895.28

Finding the Fourth Proportional to 5,133.46, 7,084.06 and 2,895.28

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Solution

The fourth proportional to 5,133.46, 7,084.06 and 2,895.28 is: 3,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.46 : 7,084.06 = 2,895.28 : x
  2. Step 2: Convert to fraction form
    5,133.46/7,084.06 = 2,895.28/x
  3. Step 3: Cross multiply
    5,133.46x = 7,084.06 × 2,895.28
  4. Step 4: Simplify right side
    5,133.46x = 20,510,337.24
  5. Step 5: Solve for x
    x = 20,510,337.24/5,133.46
  6. Step 6: Final answer
    x = 3,995.42

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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.