Home / 3,099.96-4,277.86-1,683.58

Finding the Fourth Proportional to 3,099.96, 4,277.86 and 1,683.58

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Solution

The fourth proportional to 3,099.96, 4,277.86 and 1,683.58 is: 2,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.96 : 4,277.86 = 1,683.58 : x
  2. Step 2: Convert to fraction form
    3,099.96/4,277.86 = 1,683.58/x
  3. Step 3: Cross multiply
    3,099.96x = 4,277.86 × 1,683.58
  4. Step 4: Simplify right side
    3,099.96x = 7,202,119.54
  5. Step 5: Solve for x
    x = 7,202,119.54/3,099.96
  6. Step 6: Final answer
    x = 2,323.29

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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.