Home / 5,026.22-7,539.92-1,328.48

Finding the Fourth Proportional to 5,026.22, 7,539.92 and 1,328.48

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Solution

The fourth proportional to 5,026.22, 7,539.92 and 1,328.48 is: 1,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.22 : 7,539.92 = 1,328.48 : x
  2. Step 2: Convert to fraction form
    5,026.22/7,539.92 = 1,328.48/x
  3. Step 3: Cross multiply
    5,026.22x = 7,539.92 × 1,328.48
  4. Step 4: Simplify right side
    5,026.22x = 10,016,588.58
  5. Step 5: Solve for x
    x = 10,016,588.58/5,026.22
  6. Step 6: Final answer
    x = 1,992.87

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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.