Home / 7,739.70-10,681-4,553.23

Finding the Fourth Proportional to 7,739.70, 10,681 and 4,553.23

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Solution

The fourth proportional to 7,739.70, 10,681 and 4,553.23 is: 6,283.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.70 : 10,681 = 4,553.23 : x
  2. Step 2: Convert to fraction form
    7,739.70/10,681 = 4,553.23/x
  3. Step 3: Cross multiply
    7,739.70x = 10,681 × 4,553.23
  4. Step 4: Simplify right side
    7,739.70x = 48,632,996.23
  5. Step 5: Solve for x
    x = 48,632,996.23/7,739.70
  6. Step 6: Final answer
    x = 6,283.58

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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.