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Finding the Fourth Proportional to 5,207.98, 7,793.34 and 4,860.40

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Solution

The fourth proportional to 5,207.98, 7,793.34 and 4,860.40 is: 7,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.98 : 7,793.34 = 4,860.40 : x
  2. Step 2: Convert to fraction form
    5,207.98/7,793.34 = 4,860.40/x
  3. Step 3: Cross multiply
    5,207.98x = 7,793.34 × 4,860.40
  4. Step 4: Simplify right side
    5,207.98x = 37,878,749.74
  5. Step 5: Solve for x
    x = 37,878,749.74/5,207.98
  6. Step 6: Final answer
    x = 7,273.21

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1.5x scale

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.