Home / 5,985.28-8,973.12-2,863.68

Finding the Fourth Proportional to 5,985.28, 8,973.12 and 2,863.68

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Solution

The fourth proportional to 5,985.28, 8,973.12 and 2,863.68 is: 4,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985.28 : 8,973.12 = 2,863.68 : x
  2. Step 2: Convert to fraction form
    5,985.28/8,973.12 = 2,863.68/x
  3. Step 3: Cross multiply
    5,985.28x = 8,973.12 × 2,863.68
  4. Step 4: Simplify right side
    5,985.28x = 25,696,144.28
  5. Step 5: Solve for x
    x = 25,696,144.28/5,985.28
  6. Step 6: Final answer
    x = 4,293.22

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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.