Home / 5,448.40-8,166.75-2,156.92

Finding the Fourth Proportional to 5,448.40, 8,166.75 and 2,156.92

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Solution

The fourth proportional to 5,448.40, 8,166.75 and 2,156.92 is: 3,233.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.40 : 8,166.75 = 2,156.92 : x
  2. Step 2: Convert to fraction form
    5,448.40/8,166.75 = 2,156.92/x
  3. Step 3: Cross multiply
    5,448.40x = 8,166.75 × 2,156.92
  4. Step 4: Simplify right side
    5,448.40x = 17,615,026.41
  5. Step 5: Solve for x
    x = 17,615,026.41/5,448.40
  6. Step 6: Final answer
    x = 3,233.06

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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.