Home / 3,513.14-4,842.51-2,765.91

Finding the Fourth Proportional to 3,513.14, 4,842.51 and 2,765.91

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Solution

The fourth proportional to 3,513.14, 4,842.51 and 2,765.91 is: 3,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.14 : 4,842.51 = 2,765.91 : x
  2. Step 2: Convert to fraction form
    3,513.14/4,842.51 = 2,765.91/x
  3. Step 3: Cross multiply
    3,513.14x = 4,842.51 × 2,765.91
  4. Step 4: Simplify right side
    3,513.14x = 13,393,946.83
  5. Step 5: Solve for x
    x = 13,393,946.83/3,513.14
  6. Step 6: Final answer
    x = 3,812.53

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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.