Home / 4,918.24-7,377.12-1,840

Finding the Fourth Proportional to 4,918.24, 7,377.12 and 1,840

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Solution

The fourth proportional to 4,918.24, 7,377.12 and 1,840 is: 2,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.24 : 7,377.12 = 1,840 : x
  2. Step 2: Convert to fraction form
    4,918.24/7,377.12 = 1,840/x
  3. Step 3: Cross multiply
    4,918.24x = 7,377.12 × 1,840
  4. Step 4: Simplify right side
    4,918.24x = 13,573,900.80
  5. Step 5: Solve for x
    x = 13,573,900.80/4,918.24
  6. Step 6: Final answer
    x = 2,759.91

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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.