Home / 1,352.08-2,028.12-1,063.72

Finding the Fourth Proportional to 1,352.08, 2,028.12 and 1,063.72

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Solution

The fourth proportional to 1,352.08, 2,028.12 and 1,063.72 is: 1,595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,352.08 : 2,028.12 = 1,063.72 : x
  2. Step 2: Convert to fraction form
    1,352.08/2,028.12 = 1,063.72/x
  3. Step 3: Cross multiply
    1,352.08x = 2,028.12 × 1,063.72
  4. Step 4: Simplify right side
    1,352.08x = 2,157,351.81
  5. Step 5: Solve for x
    x = 2,157,351.81/1,352.08
  6. Step 6: Final answer
    x = 1,595.58

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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.