Home / 7,685.74-11,528.61-2,492.02

Finding the Fourth Proportional to 7,685.74, 11,528.61 and 2,492.02

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Solution

The fourth proportional to 7,685.74, 11,528.61 and 2,492.02 is: 3,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.74 : 11,528.61 = 2,492.02 : x
  2. Step 2: Convert to fraction form
    7,685.74/11,528.61 = 2,492.02/x
  3. Step 3: Cross multiply
    7,685.74x = 11,528.61 × 2,492.02
  4. Step 4: Simplify right side
    7,685.74x = 28,729,526.69
  5. Step 5: Solve for x
    x = 28,729,526.69/7,685.74
  6. Step 6: Final answer
    x = 3,738.03

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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.