Home / 5,247.12-7,868.32-1,548.06

Finding the Fourth Proportional to 5,247.12, 7,868.32 and 1,548.06

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Solution

The fourth proportional to 5,247.12, 7,868.32 and 1,548.06 is: 2,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.12 : 7,868.32 = 1,548.06 : x
  2. Step 2: Convert to fraction form
    5,247.12/7,868.32 = 1,548.06/x
  3. Step 3: Cross multiply
    5,247.12x = 7,868.32 × 1,548.06
  4. Step 4: Simplify right side
    5,247.12x = 12,180,598.08
  5. Step 5: Solve for x
    x = 12,180,598.08/5,247.12
  6. Step 6: Final answer
    x = 2,321.39

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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.