Home / 2,099.86-3,148.27-1,059.11

Finding the Fourth Proportional to 2,099.86, 3,148.27 and 1,059.11

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Solution

The fourth proportional to 2,099.86, 3,148.27 and 1,059.11 is: 1,587.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.86 : 3,148.27 = 1,059.11 : x
  2. Step 2: Convert to fraction form
    2,099.86/3,148.27 = 1,059.11/x
  3. Step 3: Cross multiply
    2,099.86x = 3,148.27 × 1,059.11
  4. Step 4: Simplify right side
    2,099.86x = 3,334,357.66
  5. Step 5: Solve for x
    x = 3,334,357.66/2,099.86
  6. Step 6: Final answer
    x = 1,587.90

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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.