Home / 5,055.64-6,976.22-2,817.34

Finding the Fourth Proportional to 5,055.64, 6,976.22 and 2,817.34

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Solution

The fourth proportional to 5,055.64, 6,976.22 and 2,817.34 is: 3,887.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.64 : 6,976.22 = 2,817.34 : x
  2. Step 2: Convert to fraction form
    5,055.64/6,976.22 = 2,817.34/x
  3. Step 3: Cross multiply
    5,055.64x = 6,976.22 × 2,817.34
  4. Step 4: Simplify right side
    5,055.64x = 19,654,383.65
  5. Step 5: Solve for x
    x = 19,654,383.65/5,055.64
  6. Step 6: Final answer
    x = 3,887.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.