Home / 2,252.07-3,106.56-1,355.19

Finding the Fourth Proportional to 2,252.07, 3,106.56 and 1,355.19

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Solution

The fourth proportional to 2,252.07, 3,106.56 and 1,355.19 is: 1,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.07 : 3,106.56 = 1,355.19 : x
  2. Step 2: Convert to fraction form
    2,252.07/3,106.56 = 1,355.19/x
  3. Step 3: Cross multiply
    2,252.07x = 3,106.56 × 1,355.19
  4. Step 4: Simplify right side
    2,252.07x = 4,209,979.05
  5. Step 5: Solve for x
    x = 4,209,979.05/2,252.07
  6. Step 6: Final answer
    x = 1,869.38

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Double scale
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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.