Home / 2,194.11-3,275.53-2,117.22

Finding the Fourth Proportional to 2,194.11, 3,275.53 and 2,117.22

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Solution

The fourth proportional to 2,194.11, 3,275.53 and 2,117.22 is: 3,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.11 : 3,275.53 = 2,117.22 : x
  2. Step 2: Convert to fraction form
    2,194.11/3,275.53 = 2,117.22/x
  3. Step 3: Cross multiply
    2,194.11x = 3,275.53 × 2,117.22
  4. Step 4: Simplify right side
    2,194.11x = 6,935,017.63
  5. Step 5: Solve for x
    x = 6,935,017.63/2,194.11
  6. Step 6: Final answer
    x = 3,160.74

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.