Home / 5,308.79-7,960.86-2,674.62

Finding the Fourth Proportional to 5,308.79, 7,960.86 and 2,674.62

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Solution

The fourth proportional to 5,308.79, 7,960.86 and 2,674.62 is: 4,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.79 : 7,960.86 = 2,674.62 : x
  2. Step 2: Convert to fraction form
    5,308.79/7,960.86 = 2,674.62/x
  3. Step 3: Cross multiply
    5,308.79x = 7,960.86 × 2,674.62
  4. Step 4: Simplify right side
    5,308.79x = 21,292,275.37
  5. Step 5: Solve for x
    x = 21,292,275.37/5,308.79
  6. Step 6: Final answer
    x = 4,010.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.