Home / 5,226.61-7,840.41-1,716.63

Finding the Fourth Proportional to 5,226.61, 7,840.41 and 1,716.63

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Solution

The fourth proportional to 5,226.61, 7,840.41 and 1,716.63 is: 2,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.61 : 7,840.41 = 1,716.63 : x
  2. Step 2: Convert to fraction form
    5,226.61/7,840.41 = 1,716.63/x
  3. Step 3: Cross multiply
    5,226.61x = 7,840.41 × 1,716.63
  4. Step 4: Simplify right side
    5,226.61x = 13,459,083.02
  5. Step 5: Solve for x
    x = 13,459,083.02/5,226.61
  6. Step 6: Final answer
    x = 2,575.11

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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.