Home / 3,098.93-4,276.47-1,682.51

Finding the Fourth Proportional to 3,098.93, 4,276.47 and 1,682.51

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Solution

The fourth proportional to 3,098.93, 4,276.47 and 1,682.51 is: 2,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.93 : 4,276.47 = 1,682.51 : x
  2. Step 2: Convert to fraction form
    3,098.93/4,276.47 = 1,682.51/x
  3. Step 3: Cross multiply
    3,098.93x = 4,276.47 × 1,682.51
  4. Step 4: Simplify right side
    3,098.93x = 7,195,188.47
  5. Step 5: Solve for x
    x = 7,195,188.47/3,098.93
  6. Step 6: Final answer
    x = 2,321.83

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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.