Home / 7,760.13-10,708.97-4,223.36

Finding the Fourth Proportional to 7,760.13, 10,708.97 and 4,223.36

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Solution

The fourth proportional to 7,760.13, 10,708.97 and 4,223.36 is: 5,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.13 : 10,708.97 = 4,223.36 : x
  2. Step 2: Convert to fraction form
    7,760.13/10,708.97 = 4,223.36/x
  3. Step 3: Cross multiply
    7,760.13x = 10,708.97 × 4,223.36
  4. Step 4: Simplify right side
    7,760.13x = 45,227,835.54
  5. Step 5: Solve for x
    x = 45,227,835.54/7,760.13
  6. Step 6: Final answer
    x = 5,828.23

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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.