Home / 2,749.02-3,791.56-2,366.40

Finding the Fourth Proportional to 2,749.02, 3,791.56 and 2,366.40

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Solution

The fourth proportional to 2,749.02, 3,791.56 and 2,366.40 is: 3,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.02 : 3,791.56 = 2,366.40 : x
  2. Step 2: Convert to fraction form
    2,749.02/3,791.56 = 2,366.40/x
  3. Step 3: Cross multiply
    2,749.02x = 3,791.56 × 2,366.40
  4. Step 4: Simplify right side
    2,749.02x = 8,972,335.75
  5. Step 5: Solve for x
    x = 8,972,335.75/2,749.02
  6. Step 6: Final answer
    x = 3,263.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.