Home / 3,513.80-4,845.10-2,873.74

Finding the Fourth Proportional to 3,513.80, 4,845.10 and 2,873.74

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Solution

The fourth proportional to 3,513.80, 4,845.10 and 2,873.74 is: 3,962.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.80 : 4,845.10 = 2,873.74 : x
  2. Step 2: Convert to fraction form
    3,513.80/4,845.10 = 2,873.74/x
  3. Step 3: Cross multiply
    3,513.80x = 4,845.10 × 2,873.74
  4. Step 4: Simplify right side
    3,513.80x = 13,923,557.67
  5. Step 5: Solve for x
    x = 13,923,557.67/3,513.80
  6. Step 6: Final answer
    x = 3,962.54

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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.