Home / 5,274.11-7,278.54-3,036.31

Finding the Fourth Proportional to 5,274.11, 7,278.54 and 3,036.31

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Solution

The fourth proportional to 5,274.11, 7,278.54 and 3,036.31 is: 4,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.11 : 7,278.54 = 3,036.31 : x
  2. Step 2: Convert to fraction form
    5,274.11/7,278.54 = 3,036.31/x
  3. Step 3: Cross multiply
    5,274.11x = 7,278.54 × 3,036.31
  4. Step 4: Simplify right side
    5,274.11x = 22,099,852.21
  5. Step 5: Solve for x
    x = 22,099,852.21/5,274.11
  6. Step 6: Final answer
    x = 4,190.26

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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.