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Finding the Fourth Proportional to 2,714.13, 3,745.62 and 1,535.22

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Solution

The fourth proportional to 2,714.13, 3,745.62 and 1,535.22 is: 2,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.13 : 3,745.62 = 1,535.22 : x
  2. Step 2: Convert to fraction form
    2,714.13/3,745.62 = 1,535.22/x
  3. Step 3: Cross multiply
    2,714.13x = 3,745.62 × 1,535.22
  4. Step 4: Simplify right side
    2,714.13x = 5,750,350.74
  5. Step 5: Solve for x
    x = 5,750,350.74/2,714.13
  6. Step 6: Final answer
    x = 2,118.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.