Home / 5,850.78-8,776.65-2,929.02

Finding the Fourth Proportional to 5,850.78, 8,776.65 and 2,929.02

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Solution

The fourth proportional to 5,850.78, 8,776.65 and 2,929.02 is: 4,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,850.78 : 8,776.65 = 2,929.02 : x
  2. Step 2: Convert to fraction form
    5,850.78/8,776.65 = 2,929.02/x
  3. Step 3: Cross multiply
    5,850.78x = 8,776.65 × 2,929.02
  4. Step 4: Simplify right side
    5,850.78x = 25,706,983.38
  5. Step 5: Solve for x
    x = 25,706,983.38/5,850.78
  6. Step 6: Final answer
    x = 4,393.77

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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.