Home / 2,457.16-3,683.61-812.66

Finding the Fourth Proportional to 2,457.16, 3,683.61 and 812.66

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Solution

The fourth proportional to 2,457.16, 3,683.61 and 812.66 is: 1,218.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.16 : 3,683.61 = 812.66 : x
  2. Step 2: Convert to fraction form
    2,457.16/3,683.61 = 812.66/x
  3. Step 3: Cross multiply
    2,457.16x = 3,683.61 × 812.66
  4. Step 4: Simplify right side
    2,457.16x = 2,993,504.08
  5. Step 5: Solve for x
    x = 2,993,504.08/2,457.16
  6. Step 6: Final answer
    x = 1,218.28

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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.