Home / 2,376.18-3,279.78-2,212.14

Finding the Fourth Proportional to 2,376.18, 3,279.78 and 2,212.14

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Solution

The fourth proportional to 2,376.18, 3,279.78 and 2,212.14 is: 3,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.18 : 3,279.78 = 2,212.14 : x
  2. Step 2: Convert to fraction form
    2,376.18/3,279.78 = 2,212.14/x
  3. Step 3: Cross multiply
    2,376.18x = 3,279.78 × 2,212.14
  4. Step 4: Simplify right side
    2,376.18x = 7,255,332.53
  5. Step 5: Solve for x
    x = 7,255,332.53/2,376.18
  6. Step 6: Final answer
    x = 3,053.36

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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.