Home / 4,155.12-5,729.60-4,093.84

Finding the Fourth Proportional to 4,155.12, 5,729.60 and 4,093.84

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Solution

The fourth proportional to 4,155.12, 5,729.60 and 4,093.84 is: 5,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.12 : 5,729.60 = 4,093.84 : x
  2. Step 2: Convert to fraction form
    4,155.12/5,729.60 = 4,093.84/x
  3. Step 3: Cross multiply
    4,155.12x = 5,729.60 × 4,093.84
  4. Step 4: Simplify right side
    4,155.12x = 23,456,065.66
  5. Step 5: Solve for x
    x = 23,456,065.66/4,155.12
  6. Step 6: Final answer
    x = 5,645.10

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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.