Home / 4,381.20-6,568.56-2,070

Finding the Fourth Proportional to 4,381.20, 6,568.56 and 2,070

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Solution

The fourth proportional to 4,381.20, 6,568.56 and 2,070 is: 3,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,381.20 : 6,568.56 = 2,070 : x
  2. Step 2: Convert to fraction form
    4,381.20/6,568.56 = 2,070/x
  3. Step 3: Cross multiply
    4,381.20x = 6,568.56 × 2,070
  4. Step 4: Simplify right side
    4,381.20x = 13,596,919.20
  5. Step 5: Solve for x
    x = 13,596,919.20/4,381.20
  6. Step 6: Final answer
    x = 3,103.47

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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.