Home / 4,073.71-5,621.56-2,305.28

Finding the Fourth Proportional to 4,073.71, 5,621.56 and 2,305.28

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Solution

The fourth proportional to 4,073.71, 5,621.56 and 2,305.28 is: 3,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,073.71 : 5,621.56 = 2,305.28 : x
  2. Step 2: Convert to fraction form
    4,073.71/5,621.56 = 2,305.28/x
  3. Step 3: Cross multiply
    4,073.71x = 5,621.56 × 2,305.28
  4. Step 4: Simplify right side
    4,073.71x = 12,959,269.84
  5. Step 5: Solve for x
    x = 12,959,269.84/4,073.71
  6. Step 6: Final answer
    x = 3,181.20

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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.