Home / 2,485.16-3,727.50-841.66

Finding the Fourth Proportional to 2,485.16, 3,727.50 and 841.66

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Solution

The fourth proportional to 2,485.16, 3,727.50 and 841.66 is: 1,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485.16 : 3,727.50 = 841.66 : x
  2. Step 2: Convert to fraction form
    2,485.16/3,727.50 = 841.66/x
  3. Step 3: Cross multiply
    2,485.16x = 3,727.50 × 841.66
  4. Step 4: Simplify right side
    2,485.16x = 3,137,287.65
  5. Step 5: Solve for x
    x = 3,137,287.65/2,485.16
  6. Step 6: Final answer
    x = 1,262.41

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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.