Home / 5,784.20-8,677.38-2,321.72

Finding the Fourth Proportional to 5,784.20, 8,677.38 and 2,321.72

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Solution

The fourth proportional to 5,784.20, 8,677.38 and 2,321.72 is: 3,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.20 : 8,677.38 = 2,321.72 : x
  2. Step 2: Convert to fraction form
    5,784.20/8,677.38 = 2,321.72/x
  3. Step 3: Cross multiply
    5,784.20x = 8,677.38 × 2,321.72
  4. Step 4: Simplify right side
    5,784.20x = 20,146,446.69
  5. Step 5: Solve for x
    x = 20,146,446.69/5,784.20
  6. Step 6: Final answer
    x = 3,483.01

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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.