Home / 7,575.22-11,368.30-3,415.82

Finding the Fourth Proportional to 7,575.22, 11,368.30 and 3,415.82

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Solution

The fourth proportional to 7,575.22, 11,368.30 and 3,415.82 is: 5,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.22 : 11,368.30 = 3,415.82 : x
  2. Step 2: Convert to fraction form
    7,575.22/11,368.30 = 3,415.82/x
  3. Step 3: Cross multiply
    7,575.22x = 11,368.30 × 3,415.82
  4. Step 4: Simplify right side
    7,575.22x = 38,832,071.48
  5. Step 5: Solve for x
    x = 38,832,071.48/7,575.22
  6. Step 6: Final answer
    x = 5,126.20

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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.