Home / 3,211.02-4,431.07-1,794.68

Finding the Fourth Proportional to 3,211.02, 4,431.07 and 1,794.68

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Solution

The fourth proportional to 3,211.02, 4,431.07 and 1,794.68 is: 2,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211.02 : 4,431.07 = 1,794.68 : x
  2. Step 2: Convert to fraction form
    3,211.02/4,431.07 = 1,794.68/x
  3. Step 3: Cross multiply
    3,211.02x = 4,431.07 × 1,794.68
  4. Step 4: Simplify right side
    3,211.02x = 7,952,352.71
  5. Step 5: Solve for x
    x = 7,952,352.71/3,211.02
  6. Step 6: Final answer
    x = 2,476.58

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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.