Home / 3,373.27-4,654.99-2,115

Finding the Fourth Proportional to 3,373.27, 4,654.99 and 2,115

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Solution

The fourth proportional to 3,373.27, 4,654.99 and 2,115 is: 2,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.27 : 4,654.99 = 2,115 : x
  2. Step 2: Convert to fraction form
    3,373.27/4,654.99 = 2,115/x
  3. Step 3: Cross multiply
    3,373.27x = 4,654.99 × 2,115
  4. Step 4: Simplify right side
    3,373.27x = 9,845,303.85
  5. Step 5: Solve for x
    x = 9,845,303.85/3,373.27
  6. Step 6: Final answer
    x = 2,918.62

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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.