Home / 4,121.16-5,685.23-2,704.28

Finding the Fourth Proportional to 4,121.16, 5,685.23 and 2,704.28

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Solution

The fourth proportional to 4,121.16, 5,685.23 and 2,704.28 is: 3,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.16 : 5,685.23 = 2,704.28 : x
  2. Step 2: Convert to fraction form
    4,121.16/5,685.23 = 2,704.28/x
  3. Step 3: Cross multiply
    4,121.16x = 5,685.23 × 2,704.28
  4. Step 4: Simplify right side
    4,121.16x = 15,374,411.84
  5. Step 5: Solve for x
    x = 15,374,411.84/4,121.16
  6. Step 6: Final answer
    x = 3,730.60

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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.