Home / 3,482.32-5,223.40-849.85

Finding the Fourth Proportional to 3,482.32, 5,223.40 and 849.85

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Solution

The fourth proportional to 3,482.32, 5,223.40 and 849.85 is: 1,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.32 : 5,223.40 = 849.85 : x
  2. Step 2: Convert to fraction form
    3,482.32/5,223.40 = 849.85/x
  3. Step 3: Cross multiply
    3,482.32x = 5,223.40 × 849.85
  4. Step 4: Simplify right side
    3,482.32x = 4,439,093.43
  5. Step 5: Solve for x
    x = 4,439,093.43/3,482.32
  6. Step 6: Final answer
    x = 1,274.75

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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.