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Finding the Fourth Proportional to 2,697.96, 3,724.20 and 1,703.16

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Solution

The fourth proportional to 2,697.96, 3,724.20 and 1,703.16 is: 2,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.96 : 3,724.20 = 1,703.16 : x
  2. Step 2: Convert to fraction form
    2,697.96/3,724.20 = 1,703.16/x
  3. Step 3: Cross multiply
    2,697.96x = 3,724.20 × 1,703.16
  4. Step 4: Simplify right side
    2,697.96x = 6,342,908.47
  5. Step 5: Solve for x
    x = 6,342,908.47/2,697.96
  6. Step 6: Final answer
    x = 2,351.00

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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.