Home / 5,790.17-7,990.44-3,137.58

Finding the Fourth Proportional to 5,790.17, 7,990.44 and 3,137.58

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Solution

The fourth proportional to 5,790.17, 7,990.44 and 3,137.58 is: 4,329.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.17 : 7,990.44 = 3,137.58 : x
  2. Step 2: Convert to fraction form
    5,790.17/7,990.44 = 3,137.58/x
  3. Step 3: Cross multiply
    5,790.17x = 7,990.44 × 3,137.58
  4. Step 4: Simplify right side
    5,790.17x = 25,070,656.50
  5. Step 5: Solve for x
    x = 25,070,656.50/5,790.17
  6. Step 6: Final answer
    x = 4,329.86

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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.