Home / 3,568.45-5,354.21-1,488.86

Finding the Fourth Proportional to 3,568.45, 5,354.21 and 1,488.86

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Solution

The fourth proportional to 3,568.45, 5,354.21 and 1,488.86 is: 2,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,568.45 : 5,354.21 = 1,488.86 : x
  2. Step 2: Convert to fraction form
    3,568.45/5,354.21 = 1,488.86/x
  3. Step 3: Cross multiply
    3,568.45x = 5,354.21 × 1,488.86
  4. Step 4: Simplify right side
    3,568.45x = 7,971,696.25
  5. Step 5: Solve for x
    x = 7,971,696.25/3,568.45
  6. Step 6: Final answer
    x = 2,233.94

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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.