Home / 5,226.18-7,831.91-2,887.25

Finding the Fourth Proportional to 5,226.18, 7,831.91 and 2,887.25

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Solution

The fourth proportional to 5,226.18, 7,831.91 and 2,887.25 is: 4,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.18 : 7,831.91 = 2,887.25 : x
  2. Step 2: Convert to fraction form
    5,226.18/7,831.91 = 2,887.25/x
  3. Step 3: Cross multiply
    5,226.18x = 7,831.91 × 2,887.25
  4. Step 4: Simplify right side
    5,226.18x = 22,612,628.55
  5. Step 5: Solve for x
    x = 22,612,628.55/5,226.18
  6. Step 6: Final answer
    x = 4,326.80

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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.