Home / 4,731.75-6,531.17-3,164.40

Finding the Fourth Proportional to 4,731.75, 6,531.17 and 3,164.40

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Solution

The fourth proportional to 4,731.75, 6,531.17 and 3,164.40 is: 4,367.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,731.75 : 6,531.17 = 3,164.40 : x
  2. Step 2: Convert to fraction form
    4,731.75/6,531.17 = 3,164.40/x
  3. Step 3: Cross multiply
    4,731.75x = 6,531.17 × 3,164.40
  4. Step 4: Simplify right side
    4,731.75x = 20,667,218.53
  5. Step 5: Solve for x
    x = 20,667,218.53/4,731.75
  6. Step 6: Final answer
    x = 4,367.77

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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.