Home / 5,881.40-8,812.65-3,104.45

Finding the Fourth Proportional to 5,881.40, 8,812.65 and 3,104.45

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Solution

The fourth proportional to 5,881.40, 8,812.65 and 3,104.45 is: 4,651.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.40 : 8,812.65 = 3,104.45 : x
  2. Step 2: Convert to fraction form
    5,881.40/8,812.65 = 3,104.45/x
  3. Step 3: Cross multiply
    5,881.40x = 8,812.65 × 3,104.45
  4. Step 4: Simplify right side
    5,881.40x = 27,358,431.29
  5. Step 5: Solve for x
    x = 27,358,431.29/5,881.40
  6. Step 6: Final answer
    x = 4,651.69

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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.