Home / 4,871.72-6,722.94-2,633.60

Finding the Fourth Proportional to 4,871.72, 6,722.94 and 2,633.60

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Solution

The fourth proportional to 4,871.72, 6,722.94 and 2,633.60 is: 3,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,871.72 : 6,722.94 = 2,633.60 : x
  2. Step 2: Convert to fraction form
    4,871.72/6,722.94 = 2,633.60/x
  3. Step 3: Cross multiply
    4,871.72x = 6,722.94 × 2,633.60
  4. Step 4: Simplify right side
    4,871.72x = 17,705,534.78
  5. Step 5: Solve for x
    x = 17,705,534.78/4,871.72
  6. Step 6: Final answer
    x = 3,634.35

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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.