Home / 5,257.36-7,883.60-3,066.72

Finding the Fourth Proportional to 5,257.36, 7,883.60 and 3,066.72

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Solution

The fourth proportional to 5,257.36, 7,883.60 and 3,066.72 is: 4,598.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257.36 : 7,883.60 = 3,066.72 : x
  2. Step 2: Convert to fraction form
    5,257.36/7,883.60 = 3,066.72/x
  3. Step 3: Cross multiply
    5,257.36x = 7,883.60 × 3,066.72
  4. Step 4: Simplify right side
    5,257.36x = 24,176,793.79
  5. Step 5: Solve for x
    x = 24,176,793.79/5,257.36
  6. Step 6: Final answer
    x = 4,598.66

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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.