Home / 4,322.19-6,483.92-2,131.05

Finding the Fourth Proportional to 4,322.19, 6,483.92 and 2,131.05

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Solution

The fourth proportional to 4,322.19, 6,483.92 and 2,131.05 is: 3,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.19 : 6,483.92 = 2,131.05 : x
  2. Step 2: Convert to fraction form
    4,322.19/6,483.92 = 2,131.05/x
  3. Step 3: Cross multiply
    4,322.19x = 6,483.92 × 2,131.05
  4. Step 4: Simplify right side
    4,322.19x = 13,817,557.72
  5. Step 5: Solve for x
    x = 13,817,557.72/4,322.19
  6. Step 6: Final answer
    x = 3,196.89

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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.