Home / 2,940.18-4,411.08-2,617.80

Finding the Fourth Proportional to 2,940.18, 4,411.08 and 2,617.80

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Solution

The fourth proportional to 2,940.18, 4,411.08 and 2,617.80 is: 3,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.18 : 4,411.08 = 2,617.80 : x
  2. Step 2: Convert to fraction form
    2,940.18/4,411.08 = 2,617.80/x
  3. Step 3: Cross multiply
    2,940.18x = 4,411.08 × 2,617.80
  4. Step 4: Simplify right side
    2,940.18x = 11,547,325.22
  5. Step 5: Solve for x
    x = 11,547,325.22/2,940.18
  6. Step 6: Final answer
    x = 3,927.42

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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.