Home / 2,419.22-3,627.10-1,102.32

Finding the Fourth Proportional to 2,419.22, 3,627.10 and 1,102.32

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Solution

The fourth proportional to 2,419.22, 3,627.10 and 1,102.32 is: 1,652.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.22 : 3,627.10 = 1,102.32 : x
  2. Step 2: Convert to fraction form
    2,419.22/3,627.10 = 1,102.32/x
  3. Step 3: Cross multiply
    2,419.22x = 3,627.10 × 1,102.32
  4. Step 4: Simplify right side
    2,419.22x = 3,998,222.12
  5. Step 5: Solve for x
    x = 3,998,222.12/2,419.22
  6. Step 6: Final answer
    x = 1,652.69

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1.5x scale

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.