Home / 4,886.19-7,331.34-2,111.43

Finding the Fourth Proportional to 4,886.19, 7,331.34 and 2,111.43

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Solution

The fourth proportional to 4,886.19, 7,331.34 and 2,111.43 is: 3,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.19 : 7,331.34 = 2,111.43 : x
  2. Step 2: Convert to fraction form
    4,886.19/7,331.34 = 2,111.43/x
  3. Step 3: Cross multiply
    4,886.19x = 7,331.34 × 2,111.43
  4. Step 4: Simplify right side
    4,886.19x = 15,479,611.22
  5. Step 5: Solve for x
    x = 15,479,611.22/4,886.19
  6. Step 6: Final answer
    x = 3,168.03

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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.