Home / 4,817.88-7,211.40-2,591.16

Finding the Fourth Proportional to 4,817.88, 7,211.40 and 2,591.16

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Solution

The fourth proportional to 4,817.88, 7,211.40 and 2,591.16 is: 3,878.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.88 : 7,211.40 = 2,591.16 : x
  2. Step 2: Convert to fraction form
    4,817.88/7,211.40 = 2,591.16/x
  3. Step 3: Cross multiply
    4,817.88x = 7,211.40 × 2,591.16
  4. Step 4: Simplify right side
    4,817.88x = 18,685,891.22
  5. Step 5: Solve for x
    x = 18,685,891.22/4,817.88
  6. Step 6: Final answer
    x = 3,878.45

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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.