Home / 5,091.21-7,025.04-2,853.18

Finding the Fourth Proportional to 5,091.21, 7,025.04 and 2,853.18

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Solution

The fourth proportional to 5,091.21, 7,025.04 and 2,853.18 is: 3,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.21 : 7,025.04 = 2,853.18 : x
  2. Step 2: Convert to fraction form
    5,091.21/7,025.04 = 2,853.18/x
  3. Step 3: Cross multiply
    5,091.21x = 7,025.04 × 2,853.18
  4. Step 4: Simplify right side
    5,091.21x = 20,043,703.63
  5. Step 5: Solve for x
    x = 20,043,703.63/5,091.21
  6. Step 6: Final answer
    x = 3,936.92

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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.