Home / 7,782.33-10,739.39-4,425.51

Finding the Fourth Proportional to 7,782.33, 10,739.39 and 4,425.51

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Solution

The fourth proportional to 7,782.33, 10,739.39 and 4,425.51 is: 6,107.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782.33 : 10,739.39 = 4,425.51 : x
  2. Step 2: Convert to fraction form
    7,782.33/10,739.39 = 4,425.51/x
  3. Step 3: Cross multiply
    7,782.33x = 10,739.39 × 4,425.51
  4. Step 4: Simplify right side
    7,782.33x = 47,527,255.71
  5. Step 5: Solve for x
    x = 47,527,255.71/7,782.33
  6. Step 6: Final answer
    x = 6,107.07

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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.