Home / 7,781.44-10,739.80-4,594.56

Finding the Fourth Proportional to 7,781.44, 10,739.80 and 4,594.56

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Solution

The fourth proportional to 7,781.44, 10,739.80 and 4,594.56 is: 6,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781.44 : 10,739.80 = 4,594.56 : x
  2. Step 2: Convert to fraction form
    7,781.44/10,739.80 = 4,594.56/x
  3. Step 3: Cross multiply
    7,781.44x = 10,739.80 × 4,594.56
  4. Step 4: Simplify right side
    7,781.44x = 49,344,655.49
  5. Step 5: Solve for x
    x = 49,344,655.49/7,781.44
  6. Step 6: Final answer
    x = 6,341.33

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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.