Home / 3,397.62-4,688.68-2,071.24

Finding the Fourth Proportional to 3,397.62, 4,688.68 and 2,071.24

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Solution

The fourth proportional to 3,397.62, 4,688.68 and 2,071.24 is: 2,858.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.62 : 4,688.68 = 2,071.24 : x
  2. Step 2: Convert to fraction form
    3,397.62/4,688.68 = 2,071.24/x
  3. Step 3: Cross multiply
    3,397.62x = 4,688.68 × 2,071.24
  4. Step 4: Simplify right side
    3,397.62x = 9,711,381.56
  5. Step 5: Solve for x
    x = 9,711,381.56/3,397.62
  6. Step 6: Final answer
    x = 2,858.29

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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.