Home / 3,118.16-4,677.46-1,170.32

Finding the Fourth Proportional to 3,118.16, 4,677.46 and 1,170.32

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Solution

The fourth proportional to 3,118.16, 4,677.46 and 1,170.32 is: 1,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.16 : 4,677.46 = 1,170.32 : x
  2. Step 2: Convert to fraction form
    3,118.16/4,677.46 = 1,170.32/x
  3. Step 3: Cross multiply
    3,118.16x = 4,677.46 × 1,170.32
  4. Step 4: Simplify right side
    3,118.16x = 5,474,124.99
  5. Step 5: Solve for x
    x = 5,474,124.99/3,118.16
  6. Step 6: Final answer
    x = 1,755.56

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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.