Home / 7,385.52-11,077.56-2,768.88

Finding the Fourth Proportional to 7,385.52, 11,077.56 and 2,768.88

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Solution

The fourth proportional to 7,385.52, 11,077.56 and 2,768.88 is: 4,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.52 : 11,077.56 = 2,768.88 : x
  2. Step 2: Convert to fraction form
    7,385.52/11,077.56 = 2,768.88/x
  3. Step 3: Cross multiply
    7,385.52x = 11,077.56 × 2,768.88
  4. Step 4: Simplify right side
    7,385.52x = 30,672,434.33
  5. Step 5: Solve for x
    x = 30,672,434.33/7,385.52
  6. Step 6: Final answer
    x = 4,153.05

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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.