Home / 9,280.78-13,919.31-3,041.01

Finding the Fourth Proportional to 9,280.78, 13,919.31 and 3,041.01

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Solution

The fourth proportional to 9,280.78, 13,919.31 and 3,041.01 is: 4,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.78 : 13,919.31 = 3,041.01 : x
  2. Step 2: Convert to fraction form
    9,280.78/13,919.31 = 3,041.01/x
  3. Step 3: Cross multiply
    9,280.78x = 13,919.31 × 3,041.01
  4. Step 4: Simplify right side
    9,280.78x = 42,328,760.90
  5. Step 5: Solve for x
    x = 42,328,760.90/9,280.78
  6. Step 6: Final answer
    x = 4,560.91

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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.