Home / 2,116.04-3,174.57-882.77

Finding the Fourth Proportional to 2,116.04, 3,174.57 and 882.77

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Solution

The fourth proportional to 2,116.04, 3,174.57 and 882.77 is: 1,324.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.04 : 3,174.57 = 882.77 : x
  2. Step 2: Convert to fraction form
    2,116.04/3,174.57 = 882.77/x
  3. Step 3: Cross multiply
    2,116.04x = 3,174.57 × 882.77
  4. Step 4: Simplify right side
    2,116.04x = 2,802,396.80
  5. Step 5: Solve for x
    x = 2,802,396.80/2,116.04
  6. Step 6: Final answer
    x = 1,324.36

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1.5x scale

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.