Home / 3,435.12-5,146.20-3,046.32

Finding the Fourth Proportional to 3,435.12, 5,146.20 and 3,046.32

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Solution

The fourth proportional to 3,435.12, 5,146.20 and 3,046.32 is: 4,563.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435.12 : 5,146.20 = 3,046.32 : x
  2. Step 2: Convert to fraction form
    3,435.12/5,146.20 = 3,046.32/x
  3. Step 3: Cross multiply
    3,435.12x = 5,146.20 × 3,046.32
  4. Step 4: Simplify right side
    3,435.12x = 15,676,971.98
  5. Step 5: Solve for x
    x = 15,676,971.98/3,435.12
  6. Step 6: Final answer
    x = 4,563.73

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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.