Home / 7,582.68-11,378.61-2,655.99

Finding the Fourth Proportional to 7,582.68, 11,378.61 and 2,655.99

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Solution

The fourth proportional to 7,582.68, 11,378.61 and 2,655.99 is: 3,985.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582.68 : 11,378.61 = 2,655.99 : x
  2. Step 2: Convert to fraction form
    7,582.68/11,378.61 = 2,655.99/x
  3. Step 3: Cross multiply
    7,582.68x = 11,378.61 × 2,655.99
  4. Step 4: Simplify right side
    7,582.68x = 30,221,474.37
  5. Step 5: Solve for x
    x = 30,221,474.37/7,582.68
  6. Step 6: Final answer
    x = 3,985.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.