Home / 1,568.49-2,353.05-1,106.43

Finding the Fourth Proportional to 1,568.49, 2,353.05 and 1,106.43

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Solution

The fourth proportional to 1,568.49, 2,353.05 and 1,106.43 is: 1,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.49 : 2,353.05 = 1,106.43 : x
  2. Step 2: Convert to fraction form
    1,568.49/2,353.05 = 1,106.43/x
  3. Step 3: Cross multiply
    1,568.49x = 2,353.05 × 1,106.43
  4. Step 4: Simplify right side
    1,568.49x = 2,603,485.11
  5. Step 5: Solve for x
    x = 2,603,485.11/1,568.49
  6. Step 6: Final answer
    x = 1,659.87

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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.