Home / 3,098.96-4,276.57-1,682.65

Finding the Fourth Proportional to 3,098.96, 4,276.57 and 1,682.65

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Solution

The fourth proportional to 3,098.96, 4,276.57 and 1,682.65 is: 2,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.96 : 4,276.57 = 1,682.65 : x
  2. Step 2: Convert to fraction form
    3,098.96/4,276.57 = 1,682.65/x
  3. Step 3: Cross multiply
    3,098.96x = 4,276.57 × 1,682.65
  4. Step 4: Simplify right side
    3,098.96x = 7,195,981.20
  5. Step 5: Solve for x
    x = 7,195,981.20/3,098.96
  6. Step 6: Final answer
    x = 2,322.06

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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.