Home / 7,575.28-11,362.61-2,646.02

Finding the Fourth Proportional to 7,575.28, 11,362.61 and 2,646.02

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Solution

The fourth proportional to 7,575.28, 11,362.61 and 2,646.02 is: 3,968.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.28 : 11,362.61 = 2,646.02 : x
  2. Step 2: Convert to fraction form
    7,575.28/11,362.61 = 2,646.02/x
  3. Step 3: Cross multiply
    7,575.28x = 11,362.61 × 2,646.02
  4. Step 4: Simplify right side
    7,575.28x = 30,065,728.33
  5. Step 5: Solve for x
    x = 30,065,728.33/7,575.28
  6. Step 6: Final answer
    x = 3,968.93

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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.