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Finding the Fourth Proportional to 4,862.40, 7,277.40 and 3,404.40

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Solution

The fourth proportional to 4,862.40, 7,277.40 and 3,404.40 is: 5,095.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.40 : 7,277.40 = 3,404.40 : x
  2. Step 2: Convert to fraction form
    4,862.40/7,277.40 = 3,404.40/x
  3. Step 3: Cross multiply
    4,862.40x = 7,277.40 × 3,404.40
  4. Step 4: Simplify right side
    4,862.40x = 24,775,180.56
  5. Step 5: Solve for x
    x = 24,775,180.56/4,862.40
  6. Step 6: Final answer
    x = 5,095.26

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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.