Home / 5,206.08-7,795.20-3,254.40

Finding the Fourth Proportional to 5,206.08, 7,795.20 and 3,254.40

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Solution

The fourth proportional to 5,206.08, 7,795.20 and 3,254.40 is: 4,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.08 : 7,795.20 = 3,254.40 : x
  2. Step 2: Convert to fraction form
    5,206.08/7,795.20 = 3,254.40/x
  3. Step 3: Cross multiply
    5,206.08x = 7,795.20 × 3,254.40
  4. Step 4: Simplify right side
    5,206.08x = 25,368,698.88
  5. Step 5: Solve for x
    x = 25,368,698.88/5,206.08
  6. Step 6: Final answer
    x = 4,872.90

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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.