Home / 7,925.49-11,887.02-2,379.42

Finding the Fourth Proportional to 7,925.49, 11,887.02 and 2,379.42

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Solution

The fourth proportional to 7,925.49, 11,887.02 and 2,379.42 is: 3,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.49 : 11,887.02 = 2,379.42 : x
  2. Step 2: Convert to fraction form
    7,925.49/11,887.02 = 2,379.42/x
  3. Step 3: Cross multiply
    7,925.49x = 11,887.02 × 2,379.42
  4. Step 4: Simplify right side
    7,925.49x = 28,284,213.13
  5. Step 5: Solve for x
    x = 28,284,213.13/7,925.49
  6. Step 6: Final answer
    x = 3,568.77

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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.