Home / 3,790.53-5,231.79-2,461.92

Finding the Fourth Proportional to 3,790.53, 5,231.79 and 2,461.92

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Solution

The fourth proportional to 3,790.53, 5,231.79 and 2,461.92 is: 3,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.53 : 5,231.79 = 2,461.92 : x
  2. Step 2: Convert to fraction form
    3,790.53/5,231.79 = 2,461.92/x
  3. Step 3: Cross multiply
    3,790.53x = 5,231.79 × 2,461.92
  4. Step 4: Simplify right side
    3,790.53x = 12,880,248.44
  5. Step 5: Solve for x
    x = 12,880,248.44/3,790.53
  6. Step 6: Final answer
    x = 3,398.01

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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.