Home / 9,325.45-13,983.35-2,750.78

Finding the Fourth Proportional to 9,325.45, 13,983.35 and 2,750.78

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Solution

The fourth proportional to 9,325.45, 13,983.35 and 2,750.78 is: 4,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.45 : 13,983.35 = 2,750.78 : x
  2. Step 2: Convert to fraction form
    9,325.45/13,983.35 = 2,750.78/x
  3. Step 3: Cross multiply
    9,325.45x = 13,983.35 × 2,750.78
  4. Step 4: Simplify right side
    9,325.45x = 38,465,119.51
  5. Step 5: Solve for x
    x = 38,465,119.51/9,325.45
  6. Step 6: Final answer
    x = 4,124.75

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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.