Home / 7,221.84-10,831.55-2,026.50

Finding the Fourth Proportional to 7,221.84, 10,831.55 and 2,026.50

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Solution

The fourth proportional to 7,221.84, 10,831.55 and 2,026.50 is: 3,039.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.84 : 10,831.55 = 2,026.50 : x
  2. Step 2: Convert to fraction form
    7,221.84/10,831.55 = 2,026.50/x
  3. Step 3: Cross multiply
    7,221.84x = 10,831.55 × 2,026.50
  4. Step 4: Simplify right side
    7,221.84x = 21,950,125.94
  5. Step 5: Solve for x
    x = 21,950,125.94/7,221.84
  6. Step 6: Final answer
    x = 3,039.41

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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.