Home / 5,646.20-8,467.68-1,948.28

Finding the Fourth Proportional to 5,646.20, 8,467.68 and 1,948.28

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Solution

The fourth proportional to 5,646.20, 8,467.68 and 1,948.28 is: 2,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.20 : 8,467.68 = 1,948.28 : x
  2. Step 2: Convert to fraction form
    5,646.20/8,467.68 = 1,948.28/x
  3. Step 3: Cross multiply
    5,646.20x = 8,467.68 × 1,948.28
  4. Step 4: Simplify right side
    5,646.20x = 16,497,411.59
  5. Step 5: Solve for x
    x = 16,497,411.59/5,646.20
  6. Step 6: Final answer
    x = 2,921.86

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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.