Home / 3,099.16-4,276.85-1,682.85

Finding the Fourth Proportional to 3,099.16, 4,276.85 and 1,682.85

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Solution

The fourth proportional to 3,099.16, 4,276.85 and 1,682.85 is: 2,322.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.16 : 4,276.85 = 1,682.85 : x
  2. Step 2: Convert to fraction form
    3,099.16/4,276.85 = 1,682.85/x
  3. Step 3: Cross multiply
    3,099.16x = 4,276.85 × 1,682.85
  4. Step 4: Simplify right side
    3,099.16x = 7,197,297.02
  5. Step 5: Solve for x
    x = 7,197,297.02/3,099.16
  6. Step 6: Final answer
    x = 2,322.34

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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.