Home / 2,663.42-3,675.68-1,544.70

Finding the Fourth Proportional to 2,663.42, 3,675.68 and 1,544.70

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Solution

The fourth proportional to 2,663.42, 3,675.68 and 1,544.70 is: 2,131.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663.42 : 3,675.68 = 1,544.70 : x
  2. Step 2: Convert to fraction form
    2,663.42/3,675.68 = 1,544.70/x
  3. Step 3: Cross multiply
    2,663.42x = 3,675.68 × 1,544.70
  4. Step 4: Simplify right side
    2,663.42x = 5,677,834.75
  5. Step 5: Solve for x
    x = 5,677,834.75/2,663.42
  6. Step 6: Final answer
    x = 2,131.79

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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.