Home / 7,262.74-10,887.45-2,642.50

Finding the Fourth Proportional to 7,262.74, 10,887.45 and 2,642.50

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Solution

The fourth proportional to 7,262.74, 10,887.45 and 2,642.50 is: 3,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,262.74 : 10,887.45 = 2,642.50 : x
  2. Step 2: Convert to fraction form
    7,262.74/10,887.45 = 2,642.50/x
  3. Step 3: Cross multiply
    7,262.74x = 10,887.45 × 2,642.50
  4. Step 4: Simplify right side
    7,262.74x = 28,770,086.63
  5. Step 5: Solve for x
    x = 28,770,086.63/7,262.74
  6. Step 6: Final answer
    x = 3,961.33

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1.5x scale

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.