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Finding the Fourth Proportional to 3,133.65, 4,324.43 and 1,736.40

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Solution

The fourth proportional to 3,133.65, 4,324.43 and 1,736.40 is: 2,396.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.65 : 4,324.43 = 1,736.40 : x
  2. Step 2: Convert to fraction form
    3,133.65/4,324.43 = 1,736.40/x
  3. Step 3: Cross multiply
    3,133.65x = 4,324.43 × 1,736.40
  4. Step 4: Simplify right side
    3,133.65x = 7,508,931.57
  5. Step 5: Solve for x
    x = 7,508,931.57/3,133.65
  6. Step 6: Final answer
    x = 2,396.23

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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.