Home / 7,904.72-10,908.51-4,367.90

Finding the Fourth Proportional to 7,904.72, 10,908.51 and 4,367.90

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Solution

The fourth proportional to 7,904.72, 10,908.51 and 4,367.90 is: 6,027.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.72 : 10,908.51 = 4,367.90 : x
  2. Step 2: Convert to fraction form
    7,904.72/10,908.51 = 4,367.90/x
  3. Step 3: Cross multiply
    7,904.72x = 10,908.51 × 4,367.90
  4. Step 4: Simplify right side
    7,904.72x = 47,647,280.83
  5. Step 5: Solve for x
    x = 47,647,280.83/7,904.72
  6. Step 6: Final answer
    x = 6,027.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.