Home / 7,575.53-11,368.76-2,649.31

Finding the Fourth Proportional to 7,575.53, 11,368.76 and 2,649.31

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Solution

The fourth proportional to 7,575.53, 11,368.76 and 2,649.31 is: 3,975.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.53 : 11,368.76 = 2,649.31 : x
  2. Step 2: Convert to fraction form
    7,575.53/11,368.76 = 2,649.31/x
  3. Step 3: Cross multiply
    7,575.53x = 11,368.76 × 2,649.31
  4. Step 4: Simplify right side
    7,575.53x = 30,119,327.89
  5. Step 5: Solve for x
    x = 30,119,327.89/7,575.53
  6. Step 6: Final answer
    x = 3,975.87

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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.