Home / 5,891.48-8,121.68-4,117.58

Finding the Fourth Proportional to 5,891.48, 8,121.68 and 4,117.58

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Solution

The fourth proportional to 5,891.48, 8,121.68 and 4,117.58 is: 5,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.48 : 8,121.68 = 4,117.58 : x
  2. Step 2: Convert to fraction form
    5,891.48/8,121.68 = 4,117.58/x
  3. Step 3: Cross multiply
    5,891.48x = 8,121.68 × 4,117.58
  4. Step 4: Simplify right side
    5,891.48x = 33,441,667.13
  5. Step 5: Solve for x
    x = 33,441,667.13/5,891.48
  6. Step 6: Final answer
    x = 5,676.28

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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.