Home / 2,671.17-3,690.93-2,314.36

Finding the Fourth Proportional to 2,671.17, 3,690.93 and 2,314.36

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Solution

The fourth proportional to 2,671.17, 3,690.93 and 2,314.36 is: 3,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.17 : 3,690.93 = 2,314.36 : x
  2. Step 2: Convert to fraction form
    2,671.17/3,690.93 = 2,314.36/x
  3. Step 3: Cross multiply
    2,671.17x = 3,690.93 × 2,314.36
  4. Step 4: Simplify right side
    2,671.17x = 8,542,140.75
  5. Step 5: Solve for x
    x = 8,542,140.75/2,671.17
  6. Step 6: Final answer
    x = 3,197.90

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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.