Home / 5,721.14-8,574.62-2,430.50

Finding the Fourth Proportional to 5,721.14, 8,574.62 and 2,430.50

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Solution

The fourth proportional to 5,721.14, 8,574.62 and 2,430.50 is: 3,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.14 : 8,574.62 = 2,430.50 : x
  2. Step 2: Convert to fraction form
    5,721.14/8,574.62 = 2,430.50/x
  3. Step 3: Cross multiply
    5,721.14x = 8,574.62 × 2,430.50
  4. Step 4: Simplify right side
    5,721.14x = 20,840,613.91
  5. Step 5: Solve for x
    x = 20,840,613.91/5,721.14
  6. Step 6: Final answer
    x = 3,642.74

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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.