Home / 5,475.30-8,208.45-2,357.70

Finding the Fourth Proportional to 5,475.30, 8,208.45 and 2,357.70

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Solution

The fourth proportional to 5,475.30, 8,208.45 and 2,357.70 is: 3,534.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.30 : 8,208.45 = 2,357.70 : x
  2. Step 2: Convert to fraction form
    5,475.30/8,208.45 = 2,357.70/x
  3. Step 3: Cross multiply
    5,475.30x = 8,208.45 × 2,357.70
  4. Step 4: Simplify right side
    5,475.30x = 19,353,062.57
  5. Step 5: Solve for x
    x = 19,353,062.57/5,475.30
  6. Step 6: Final answer
    x = 3,534.61

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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.