Home / 2,412.13-3,328.61-1,364.13

Finding the Fourth Proportional to 2,412.13, 3,328.61 and 1,364.13

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Solution

The fourth proportional to 2,412.13, 3,328.61 and 1,364.13 is: 1,882.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.13 : 3,328.61 = 1,364.13 : x
  2. Step 2: Convert to fraction form
    2,412.13/3,328.61 = 1,364.13/x
  3. Step 3: Cross multiply
    2,412.13x = 3,328.61 × 1,364.13
  4. Step 4: Simplify right side
    2,412.13x = 4,540,656.76
  5. Step 5: Solve for x
    x = 4,540,656.76/2,412.13
  6. Step 6: Final answer
    x = 1,882.43

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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.