Home / 3,113.87-4,671.66-2,591.06

Finding the Fourth Proportional to 3,113.87, 4,671.66 and 2,591.06

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Solution

The fourth proportional to 3,113.87, 4,671.66 and 2,591.06 is: 3,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.87 : 4,671.66 = 2,591.06 : x
  2. Step 2: Convert to fraction form
    3,113.87/4,671.66 = 2,591.06/x
  3. Step 3: Cross multiply
    3,113.87x = 4,671.66 × 2,591.06
  4. Step 4: Simplify right side
    3,113.87x = 12,104,551.36
  5. Step 5: Solve for x
    x = 12,104,551.36/3,113.87
  6. Step 6: Final answer
    x = 3,887.30

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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.