Home / 7,744.39-10,687.53-4,387.30

Finding the Fourth Proportional to 7,744.39, 10,687.53 and 4,387.30

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Solution

The fourth proportional to 7,744.39, 10,687.53 and 4,387.30 is: 6,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.39 : 10,687.53 = 4,387.30 : x
  2. Step 2: Convert to fraction form
    7,744.39/10,687.53 = 4,387.30/x
  3. Step 3: Cross multiply
    7,744.39x = 10,687.53 × 4,387.30
  4. Step 4: Simplify right side
    7,744.39x = 46,889,400.37
  5. Step 5: Solve for x
    x = 46,889,400.37/7,744.39
  6. Step 6: Final answer
    x = 6,054.63

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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.