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Finding the Fourth Proportional to 2,253.95, 3,107.63 and 1,723.49

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Solution

The fourth proportional to 2,253.95, 3,107.63 and 1,723.49 is: 2,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.95 : 3,107.63 = 1,723.49 : x
  2. Step 2: Convert to fraction form
    2,253.95/3,107.63 = 1,723.49/x
  3. Step 3: Cross multiply
    2,253.95x = 3,107.63 × 1,723.49
  4. Step 4: Simplify right side
    2,253.95x = 5,355,969.23
  5. Step 5: Solve for x
    x = 5,355,969.23/2,253.95
  6. Step 6: Final answer
    x = 2,376.26

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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.