Home / 3,102.07-4,282.33-1,775.52

Finding the Fourth Proportional to 3,102.07, 4,282.33 and 1,775.52

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Solution

The fourth proportional to 3,102.07, 4,282.33 and 1,775.52 is: 2,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.07 : 4,282.33 = 1,775.52 : x
  2. Step 2: Convert to fraction form
    3,102.07/4,282.33 = 1,775.52/x
  3. Step 3: Cross multiply
    3,102.07x = 4,282.33 × 1,775.52
  4. Step 4: Simplify right side
    3,102.07x = 7,603,362.56
  5. Step 5: Solve for x
    x = 7,603,362.56/3,102.07
  6. Step 6: Final answer
    x = 2,451.06

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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.