Home / 2,518.32-3,473.52-1,635.12

Finding the Fourth Proportional to 2,518.32, 3,473.52 and 1,635.12

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Solution

The fourth proportional to 2,518.32, 3,473.52 and 1,635.12 is: 2,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.32 : 3,473.52 = 1,635.12 : x
  2. Step 2: Convert to fraction form
    2,518.32/3,473.52 = 1,635.12/x
  3. Step 3: Cross multiply
    2,518.32x = 3,473.52 × 1,635.12
  4. Step 4: Simplify right side
    2,518.32x = 5,679,622.02
  5. Step 5: Solve for x
    x = 5,679,622.02/2,518.32
  6. Step 6: Final answer
    x = 2,255.32

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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.