Home / 4,046.63-5,583.73-2,278.20

Finding the Fourth Proportional to 4,046.63, 5,583.73 and 2,278.20

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Solution

The fourth proportional to 4,046.63, 5,583.73 and 2,278.20 is: 3,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.63 : 5,583.73 = 2,278.20 : x
  2. Step 2: Convert to fraction form
    4,046.63/5,583.73 = 2,278.20/x
  3. Step 3: Cross multiply
    4,046.63x = 5,583.73 × 2,278.20
  4. Step 4: Simplify right side
    4,046.63x = 12,720,853.69
  5. Step 5: Solve for x
    x = 12,720,853.69/4,046.63
  6. Step 6: Final answer
    x = 3,143.57

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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.