Home / 7,678.80-10,596.62-4,275.79

Finding the Fourth Proportional to 7,678.80, 10,596.62 and 4,275.79

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Solution

The fourth proportional to 7,678.80, 10,596.62 and 4,275.79 is: 5,900.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.80 : 10,596.62 = 4,275.79 : x
  2. Step 2: Convert to fraction form
    7,678.80/10,596.62 = 4,275.79/x
  3. Step 3: Cross multiply
    7,678.80x = 10,596.62 × 4,275.79
  4. Step 4: Simplify right side
    7,678.80x = 45,308,906.03
  5. Step 5: Solve for x
    x = 45,308,906.03/7,678.80
  6. Step 6: Final answer
    x = 5,900.52

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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.