Home / 2,297.04-3,165-2,015.12

Finding the Fourth Proportional to 2,297.04, 3,165 and 2,015.12

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Solution

The fourth proportional to 2,297.04, 3,165 and 2,015.12 is: 2,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.04 : 3,165 = 2,015.12 : x
  2. Step 2: Convert to fraction form
    2,297.04/3,165 = 2,015.12/x
  3. Step 3: Cross multiply
    2,297.04x = 3,165 × 2,015.12
  4. Step 4: Simplify right side
    2,297.04x = 6,377,854.80
  5. Step 5: Solve for x
    x = 6,377,854.80/2,297.04
  6. Step 6: Final answer
    x = 2,776.55

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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.