Home / 4,935.16-7,398.42-1,855

Finding the Fourth Proportional to 4,935.16, 7,398.42 and 1,855

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Solution

The fourth proportional to 4,935.16, 7,398.42 and 1,855 is: 2,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.16 : 7,398.42 = 1,855 : x
  2. Step 2: Convert to fraction form
    4,935.16/7,398.42 = 1,855/x
  3. Step 3: Cross multiply
    4,935.16x = 7,398.42 × 1,855
  4. Step 4: Simplify right side
    4,935.16x = 13,724,069.10
  5. Step 5: Solve for x
    x = 13,724,069.10/4,935.16
  6. Step 6: Final answer
    x = 2,780.88

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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.