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Finding the Fourth Proportional to 2,774.13, 3,828.29 and 1,532.13

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Solution

The fourth proportional to 2,774.13, 3,828.29 and 1,532.13 is: 2,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.13 : 3,828.29 = 1,532.13 : x
  2. Step 2: Convert to fraction form
    2,774.13/3,828.29 = 1,532.13/x
  3. Step 3: Cross multiply
    2,774.13x = 3,828.29 × 1,532.13
  4. Step 4: Simplify right side
    2,774.13x = 5,865,437.96
  5. Step 5: Solve for x
    x = 5,865,437.96/2,774.13
  6. Step 6: Final answer
    x = 2,114.33

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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.