Home / 5,708.19-8,563.62-2,421.42

Finding the Fourth Proportional to 5,708.19, 8,563.62 and 2,421.42

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Solution

The fourth proportional to 5,708.19, 8,563.62 and 2,421.42 is: 3,632.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.19 : 8,563.62 = 2,421.42 : x
  2. Step 2: Convert to fraction form
    5,708.19/8,563.62 = 2,421.42/x
  3. Step 3: Cross multiply
    5,708.19x = 8,563.62 × 2,421.42
  4. Step 4: Simplify right side
    5,708.19x = 20,736,120.74
  5. Step 5: Solve for x
    x = 20,736,120.74/5,708.19
  6. Step 6: Final answer
    x = 3,632.70

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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.