Home / 5,273.85-7,278.19-3,036.05

Finding the Fourth Proportional to 5,273.85, 7,278.19 and 3,036.05

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Solution

The fourth proportional to 5,273.85, 7,278.19 and 3,036.05 is: 4,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.85 : 7,278.19 = 3,036.05 : x
  2. Step 2: Convert to fraction form
    5,273.85/7,278.19 = 3,036.05/x
  3. Step 3: Cross multiply
    5,273.85x = 7,278.19 × 3,036.05
  4. Step 4: Simplify right side
    5,273.85x = 22,096,970.74
  5. Step 5: Solve for x
    x = 22,096,970.74/5,273.85
  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.