Home / 7,584.40-11,378.60-2,654.04

Finding the Fourth Proportional to 7,584.40, 11,378.60 and 2,654.04

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Solution

The fourth proportional to 7,584.40, 11,378.60 and 2,654.04 is: 3,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.40 : 11,378.60 = 2,654.04 : x
  2. Step 2: Convert to fraction form
    7,584.40/11,378.60 = 2,654.04/x
  3. Step 3: Cross multiply
    7,584.40x = 11,378.60 × 2,654.04
  4. Step 4: Simplify right side
    7,584.40x = 30,199,259.54
  5. Step 5: Solve for x
    x = 30,199,259.54/7,584.40
  6. Step 6: Final answer
    x = 3,981.76

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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.