Home / 5,679.54-7,833.33-3,690.74

Finding the Fourth Proportional to 5,679.54, 7,833.33 and 3,690.74

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Solution

The fourth proportional to 5,679.54, 7,833.33 and 3,690.74 is: 5,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.54 : 7,833.33 = 3,690.74 : x
  2. Step 2: Convert to fraction form
    5,679.54/7,833.33 = 3,690.74/x
  3. Step 3: Cross multiply
    5,679.54x = 7,833.33 × 3,690.74
  4. Step 4: Simplify right side
    5,679.54x = 28,910,803.95
  5. Step 5: Solve for x
    x = 28,910,803.95/5,679.54
  6. Step 6: Final answer
    x = 5,090.34

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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.