Home / 3,157.44-4,740.08-2,104.16

Finding the Fourth Proportional to 3,157.44, 4,740.08 and 2,104.16

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Solution

The fourth proportional to 3,157.44, 4,740.08 and 2,104.16 is: 3,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.44 : 4,740.08 = 2,104.16 : x
  2. Step 2: Convert to fraction form
    3,157.44/4,740.08 = 2,104.16/x
  3. Step 3: Cross multiply
    3,157.44x = 4,740.08 × 2,104.16
  4. Step 4: Simplify right side
    3,157.44x = 9,973,886.73
  5. Step 5: Solve for x
    x = 9,973,886.73/3,157.44
  6. Step 6: Final answer
    x = 3,158.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.