Home / 3,192.11-4,405.02-1,775.70

Finding the Fourth Proportional to 3,192.11, 4,405.02 and 1,775.70

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Solution

The fourth proportional to 3,192.11, 4,405.02 and 1,775.70 is: 2,450.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.11 : 4,405.02 = 1,775.70 : x
  2. Step 2: Convert to fraction form
    3,192.11/4,405.02 = 1,775.70/x
  3. Step 3: Cross multiply
    3,192.11x = 4,405.02 × 1,775.70
  4. Step 4: Simplify right side
    3,192.11x = 7,821,994.01
  5. Step 5: Solve for x
    x = 7,821,994.01/3,192.11
  6. Step 6: Final answer
    x = 2,450.42

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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.