Home / 5,449.19-8,173.76-1,553.58

Finding the Fourth Proportional to 5,449.19, 8,173.76 and 1,553.58

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Solution

The fourth proportional to 5,449.19, 8,173.76 and 1,553.58 is: 2,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.19 : 8,173.76 = 1,553.58 : x
  2. Step 2: Convert to fraction form
    5,449.19/8,173.76 = 1,553.58/x
  3. Step 3: Cross multiply
    5,449.19x = 8,173.76 × 1,553.58
  4. Step 4: Simplify right side
    5,449.19x = 12,698,582.29
  5. Step 5: Solve for x
    x = 12,698,582.29/5,449.19
  6. Step 6: Final answer
    x = 2,330.36

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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.