Home / 5,719.40-8,580.12-2,023.78

Finding the Fourth Proportional to 5,719.40, 8,580.12 and 2,023.78

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Solution

The fourth proportional to 5,719.40, 8,580.12 and 2,023.78 is: 3,036.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.40 : 8,580.12 = 2,023.78 : x
  2. Step 2: Convert to fraction form
    5,719.40/8,580.12 = 2,023.78/x
  3. Step 3: Cross multiply
    5,719.40x = 8,580.12 × 2,023.78
  4. Step 4: Simplify right side
    5,719.40x = 17,364,275.25
  5. Step 5: Solve for x
    x = 17,364,275.25/5,719.40
  6. Step 6: Final answer
    x = 3,036.03

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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.