Home / 5,270.56-7,273.12-3,030.88

Finding the Fourth Proportional to 5,270.56, 7,273.12 and 3,030.88

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Solution

The fourth proportional to 5,270.56, 7,273.12 and 3,030.88 is: 4,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270.56 : 7,273.12 = 3,030.88 : x
  2. Step 2: Convert to fraction form
    5,270.56/7,273.12 = 3,030.88/x
  3. Step 3: Cross multiply
    5,270.56x = 7,273.12 × 3,030.88
  4. Step 4: Simplify right side
    5,270.56x = 22,043,953.95
  5. Step 5: Solve for x
    x = 22,043,953.95/5,270.56
  6. Step 6: Final answer
    x = 4,182.47

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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.