Home / 2,252.28-3,107.76-1,505.04

Finding the Fourth Proportional to 2,252.28, 3,107.76 and 1,505.04

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Solution

The fourth proportional to 2,252.28, 3,107.76 and 1,505.04 is: 2,076.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.28 : 3,107.76 = 1,505.04 : x
  2. Step 2: Convert to fraction form
    2,252.28/3,107.76 = 1,505.04/x
  3. Step 3: Cross multiply
    2,252.28x = 3,107.76 × 1,505.04
  4. Step 4: Simplify right side
    2,252.28x = 4,677,303.11
  5. Step 5: Solve for x
    x = 4,677,303.11/2,252.28
  6. Step 6: Final answer
    x = 2,076.70

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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.