Home / 7,220.48-10,831.84-2,604.56

Finding the Fourth Proportional to 7,220.48, 10,831.84 and 2,604.56

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Solution

The fourth proportional to 7,220.48, 10,831.84 and 2,604.56 is: 3,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220.48 : 10,831.84 = 2,604.56 : x
  2. Step 2: Convert to fraction form
    7,220.48/10,831.84 = 2,604.56/x
  3. Step 3: Cross multiply
    7,220.48x = 10,831.84 × 2,604.56
  4. Step 4: Simplify right side
    7,220.48x = 28,212,177.19
  5. Step 5: Solve for x
    x = 28,212,177.19/7,220.48
  6. Step 6: Final answer
    x = 3,907.24

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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.