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Finding the Fourth Proportional to 2,191.17, 3,023.17 and 1,352.01

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Solution

The fourth proportional to 2,191.17, 3,023.17 and 1,352.01 is: 1,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.17 : 3,023.17 = 1,352.01 : x
  2. Step 2: Convert to fraction form
    2,191.17/3,023.17 = 1,352.01/x
  3. Step 3: Cross multiply
    2,191.17x = 3,023.17 × 1,352.01
  4. Step 4: Simplify right side
    2,191.17x = 4,087,356.07
  5. Step 5: Solve for x
    x = 4,087,356.07/2,191.17
  6. Step 6: Final answer
    x = 1,865.38

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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.