Home / 4,047.37-5,585.36-2,278.87

Finding the Fourth Proportional to 4,047.37, 5,585.36 and 2,278.87

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Solution

The fourth proportional to 4,047.37, 5,585.36 and 2,278.87 is: 3,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.37 : 5,585.36 = 2,278.87 : x
  2. Step 2: Convert to fraction form
    4,047.37/5,585.36 = 2,278.87/x
  3. Step 3: Cross multiply
    4,047.37x = 5,585.36 × 2,278.87
  4. Step 4: Simplify right side
    4,047.37x = 12,728,283.99
  5. Step 5: Solve for x
    x = 12,728,283.99/4,047.37
  6. Step 6: Final answer
    x = 3,144.83

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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.