Home / 3,133.70-4,324.28-1,717.16

Finding the Fourth Proportional to 3,133.70, 4,324.28 and 1,717.16

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Solution

The fourth proportional to 3,133.70, 4,324.28 and 1,717.16 is: 2,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.70 : 4,324.28 = 1,717.16 : x
  2. Step 2: Convert to fraction form
    3,133.70/4,324.28 = 1,717.16/x
  3. Step 3: Cross multiply
    3,133.70x = 4,324.28 × 1,717.16
  4. Step 4: Simplify right side
    3,133.70x = 7,425,495.75
  5. Step 5: Solve for x
    x = 7,425,495.75/3,133.70
  6. Step 6: Final answer
    x = 2,369.56

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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.