Home / 2,177.49-3,267.15-1,356.45

Finding the Fourth Proportional to 2,177.49, 3,267.15 and 1,356.45

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Solution

The fourth proportional to 2,177.49, 3,267.15 and 1,356.45 is: 2,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.49 : 3,267.15 = 1,356.45 : x
  2. Step 2: Convert to fraction form
    2,177.49/3,267.15 = 1,356.45/x
  3. Step 3: Cross multiply
    2,177.49x = 3,267.15 × 1,356.45
  4. Step 4: Simplify right side
    2,177.49x = 4,431,725.62
  5. Step 5: Solve for x
    x = 4,431,725.62/2,177.49
  6. Step 6: Final answer
    x = 2,035.24

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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.