Home / 3,661.40-5,491.50-1,196.24

Finding the Fourth Proportional to 3,661.40, 5,491.50 and 1,196.24

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Solution

The fourth proportional to 3,661.40, 5,491.50 and 1,196.24 is: 1,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.40 : 5,491.50 = 1,196.24 : x
  2. Step 2: Convert to fraction form
    3,661.40/5,491.50 = 1,196.24/x
  3. Step 3: Cross multiply
    3,661.40x = 5,491.50 × 1,196.24
  4. Step 4: Simplify right side
    3,661.40x = 6,569,166.35
  5. Step 5: Solve for x
    x = 6,569,166.35/3,661.40
  6. Step 6: Final answer
    x = 1,794.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.