Home / 5,381.97-8,071.38-2,094.28

Finding the Fourth Proportional to 5,381.97, 8,071.38 and 2,094.28

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Solution

The fourth proportional to 5,381.97, 8,071.38 and 2,094.28 is: 3,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.97 : 8,071.38 = 2,094.28 : x
  2. Step 2: Convert to fraction form
    5,381.97/8,071.38 = 2,094.28/x
  3. Step 3: Cross multiply
    5,381.97x = 8,071.38 × 2,094.28
  4. Step 4: Simplify right side
    5,381.97x = 16,903,729.71
  5. Step 5: Solve for x
    x = 16,903,729.71/5,381.97
  6. Step 6: Final answer
    x = 3,140.81

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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.