Home / 7,961.48-11,941.38-2,038.40

Finding the Fourth Proportional to 7,961.48, 11,941.38 and 2,038.40

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Solution

The fourth proportional to 7,961.48, 11,941.38 and 2,038.40 is: 3,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.48 : 11,941.38 = 2,038.40 : x
  2. Step 2: Convert to fraction form
    7,961.48/11,941.38 = 2,038.40/x
  3. Step 3: Cross multiply
    7,961.48x = 11,941.38 × 2,038.40
  4. Step 4: Simplify right side
    7,961.48x = 24,341,308.99
  5. Step 5: Solve for x
    x = 24,341,308.99/7,961.48
  6. Step 6: Final answer
    x = 3,057.38

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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.