Home / 5,261.84-7,890.05-1,750.58

Finding the Fourth Proportional to 5,261.84, 7,890.05 and 1,750.58

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Solution

The fourth proportional to 5,261.84, 7,890.05 and 1,750.58 is: 2,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.84 : 7,890.05 = 1,750.58 : x
  2. Step 2: Convert to fraction form
    5,261.84/7,890.05 = 1,750.58/x
  3. Step 3: Cross multiply
    5,261.84x = 7,890.05 × 1,750.58
  4. Step 4: Simplify right side
    5,261.84x = 13,812,163.73
  5. Step 5: Solve for x
    x = 13,812,163.73/5,261.84
  6. Step 6: Final answer
    x = 2,624.97

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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.