Home / 7,925.32-11,887.50-2,081.92

Finding the Fourth Proportional to 7,925.32, 11,887.50 and 2,081.92

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Solution

The fourth proportional to 7,925.32, 11,887.50 and 2,081.92 is: 3,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.32 : 11,887.50 = 2,081.92 : x
  2. Step 2: Convert to fraction form
    7,925.32/11,887.50 = 2,081.92/x
  3. Step 3: Cross multiply
    7,925.32x = 11,887.50 × 2,081.92
  4. Step 4: Simplify right side
    7,925.32x = 24,748,824
  5. Step 5: Solve for x
    x = 24,748,824/7,925.32
  6. Step 6: Final answer
    x = 3,122.75

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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.