Home / 5,308.28-7,326.36-3,069.80

Finding the Fourth Proportional to 5,308.28, 7,326.36 and 3,069.80

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Solution

The fourth proportional to 5,308.28, 7,326.36 and 3,069.80 is: 4,236.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.28 : 7,326.36 = 3,069.80 : x
  2. Step 2: Convert to fraction form
    5,308.28/7,326.36 = 3,069.80/x
  3. Step 3: Cross multiply
    5,308.28x = 7,326.36 × 3,069.80
  4. Step 4: Simplify right side
    5,308.28x = 22,490,459.93
  5. Step 5: Solve for x
    x = 22,490,459.93/5,308.28
  6. Step 6: Final answer
    x = 4,236.86

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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.