Home / 3,193.22-4,405.22-1,866.34

Finding the Fourth Proportional to 3,193.22, 4,405.22 and 1,866.34

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Solution

The fourth proportional to 3,193.22, 4,405.22 and 1,866.34 is: 2,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.22 : 4,405.22 = 1,866.34 : x
  2. Step 2: Convert to fraction form
    3,193.22/4,405.22 = 1,866.34/x
  3. Step 3: Cross multiply
    3,193.22x = 4,405.22 × 1,866.34
  4. Step 4: Simplify right side
    3,193.22x = 8,221,641.47
  5. Step 5: Solve for x
    x = 8,221,641.47/3,193.22
  6. Step 6: Final answer
    x = 2,574.72

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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.