Home / 3,534.43-4,876.51-2,276.21

Finding the Fourth Proportional to 3,534.43, 4,876.51 and 2,276.21

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Solution

The fourth proportional to 3,534.43, 4,876.51 and 2,276.21 is: 3,140.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,534.43 : 4,876.51 = 2,276.21 : x
  2. Step 2: Convert to fraction form
    3,534.43/4,876.51 = 2,276.21/x
  3. Step 3: Cross multiply
    3,534.43x = 4,876.51 × 2,276.21
  4. Step 4: Simplify right side
    3,534.43x = 11,099,960.83
  5. Step 5: Solve for x
    x = 11,099,960.83/3,534.43
  6. Step 6: Final answer
    x = 3,140.52

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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.