Home / 2,671.13-3,677.45-2,321.69

Finding the Fourth Proportional to 2,671.13, 3,677.45 and 2,321.69

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Solution

The fourth proportional to 2,671.13, 3,677.45 and 2,321.69 is: 3,196.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.13 : 3,677.45 = 2,321.69 : x
  2. Step 2: Convert to fraction form
    2,671.13/3,677.45 = 2,321.69/x
  3. Step 3: Cross multiply
    2,671.13x = 3,677.45 × 2,321.69
  4. Step 4: Simplify right side
    2,671.13x = 8,537,868.89
  5. Step 5: Solve for x
    x = 8,537,868.89/2,671.13
  6. Step 6: Final answer
    x = 3,196.36

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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.