Home / 2,177.52-3,261.24-1,356.48

Finding the Fourth Proportional to 2,177.52, 3,261.24 and 1,356.48

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Solution

The fourth proportional to 2,177.52, 3,261.24 and 1,356.48 is: 2,031.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.52 : 3,261.24 = 1,356.48 : x
  2. Step 2: Convert to fraction form
    2,177.52/3,261.24 = 1,356.48/x
  3. Step 3: Cross multiply
    2,177.52x = 3,261.24 × 1,356.48
  4. Step 4: Simplify right side
    2,177.52x = 4,423,806.84
  5. Step 5: Solve for x
    x = 4,423,806.84/2,177.52
  6. Step 6: Final answer
    x = 2,031.58

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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.