Home / 3,103.96-4,283.16-1,924.60

Finding the Fourth Proportional to 3,103.96, 4,283.16 and 1,924.60

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Solution

The fourth proportional to 3,103.96, 4,283.16 and 1,924.60 is: 2,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.96 : 4,283.16 = 1,924.60 : x
  2. Step 2: Convert to fraction form
    3,103.96/4,283.16 = 1,924.60/x
  3. Step 3: Cross multiply
    3,103.96x = 4,283.16 × 1,924.60
  4. Step 4: Simplify right side
    3,103.96x = 8,243,369.74
  5. Step 5: Solve for x
    x = 8,243,369.74/3,103.96
  6. Step 6: Final answer
    x = 2,655.76

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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.