Home / 5,660.79-8,475.44-2,881.47

Finding the Fourth Proportional to 5,660.79, 8,475.44 and 2,881.47

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Solution

The fourth proportional to 5,660.79, 8,475.44 and 2,881.47 is: 4,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.79 : 8,475.44 = 2,881.47 : x
  2. Step 2: Convert to fraction form
    5,660.79/8,475.44 = 2,881.47/x
  3. Step 3: Cross multiply
    5,660.79x = 8,475.44 × 2,881.47
  4. Step 4: Simplify right side
    5,660.79x = 24,421,743.47
  5. Step 5: Solve for x
    x = 24,421,743.47/5,660.79
  6. Step 6: Final answer
    x = 4,314.20

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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.