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Finding the Fourth Proportional to 2,697.17, 3,720.67 and 1,751.69

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Solution

The fourth proportional to 2,697.17, 3,720.67 and 1,751.69 is: 2,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.17 : 3,720.67 = 1,751.69 : x
  2. Step 2: Convert to fraction form
    2,697.17/3,720.67 = 1,751.69/x
  3. Step 3: Cross multiply
    2,697.17x = 3,720.67 × 1,751.69
  4. Step 4: Simplify right side
    2,697.17x = 6,517,465.35
  5. Step 5: Solve for x
    x = 6,517,465.35/2,697.17
  6. Step 6: Final answer
    x = 2,416.41

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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.