Home / 4,451.76-6,678.69-2,373.78

Finding the Fourth Proportional to 4,451.76, 6,678.69 and 2,373.78

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Solution

The fourth proportional to 4,451.76, 6,678.69 and 2,373.78 is: 3,561.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.76 : 6,678.69 = 2,373.78 : x
  2. Step 2: Convert to fraction form
    4,451.76/6,678.69 = 2,373.78/x
  3. Step 3: Cross multiply
    4,451.76x = 6,678.69 × 2,373.78
  4. Step 4: Simplify right side
    4,451.76x = 15,853,740.75
  5. Step 5: Solve for x
    x = 15,853,740.75/4,451.76
  6. Step 6: Final answer
    x = 3,561.23

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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.