Home / 4,638.74-6,959.81-2,174.36

Finding the Fourth Proportional to 4,638.74, 6,959.81 and 2,174.36

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Solution

The fourth proportional to 4,638.74, 6,959.81 and 2,174.36 is: 3,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.74 : 6,959.81 = 2,174.36 : x
  2. Step 2: Convert to fraction form
    4,638.74/6,959.81 = 2,174.36/x
  3. Step 3: Cross multiply
    4,638.74x = 6,959.81 × 2,174.36
  4. Step 4: Simplify right side
    4,638.74x = 15,133,086.80
  5. Step 5: Solve for x
    x = 15,133,086.80/4,638.74
  6. Step 6: Final answer
    x = 3,262.33

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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.