Home / 5,274.71-7,278.62-3,036.37

Finding the Fourth Proportional to 5,274.71, 7,278.62 and 3,036.37

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Solution

The fourth proportional to 5,274.71, 7,278.62 and 3,036.37 is: 4,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.71 : 7,278.62 = 3,036.37 : x
  2. Step 2: Convert to fraction form
    5,274.71/7,278.62 = 3,036.37/x
  3. Step 3: Cross multiply
    5,274.71x = 7,278.62 × 3,036.37
  4. Step 4: Simplify right side
    5,274.71x = 22,100,583.41
  5. Step 5: Solve for x
    x = 22,100,583.41/5,274.71
  6. Step 6: Final answer
    x = 4,189.91

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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.