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Finding the Fourth Proportional to 4,810.34, 7,215.28 and 1,691.03

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Solution

The fourth proportional to 4,810.34, 7,215.28 and 1,691.03 is: 2,536.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.34 : 7,215.28 = 1,691.03 : x
  2. Step 2: Convert to fraction form
    4,810.34/7,215.28 = 1,691.03/x
  3. Step 3: Cross multiply
    4,810.34x = 7,215.28 × 1,691.03
  4. Step 4: Simplify right side
    4,810.34x = 12,201,228.16
  5. Step 5: Solve for x
    x = 12,201,228.16/4,810.34
  6. Step 6: Final answer
    x = 2,536.46

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