Home / 3,114.60-4,671.90-1,166.70

Finding the Fourth Proportional to 3,114.60, 4,671.90 and 1,166.70

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Solution

The fourth proportional to 3,114.60, 4,671.90 and 1,166.70 is: 1,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.60 : 4,671.90 = 1,166.70 : x
  2. Step 2: Convert to fraction form
    3,114.60/4,671.90 = 1,166.70/x
  3. Step 3: Cross multiply
    3,114.60x = 4,671.90 × 1,166.70
  4. Step 4: Simplify right side
    3,114.60x = 5,450,705.73
  5. Step 5: Solve for x
    x = 5,450,705.73/3,114.60
  6. Step 6: Final answer
    x = 1,750.05

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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.