Home / 5,790.27-7,990.52-3,137.70

Finding the Fourth Proportional to 5,790.27, 7,990.52 and 3,137.70

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Solution

The fourth proportional to 5,790.27, 7,990.52 and 3,137.70 is: 4,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.27 : 7,990.52 = 3,137.70 : x
  2. Step 2: Convert to fraction form
    5,790.27/7,990.52 = 3,137.70/x
  3. Step 3: Cross multiply
    5,790.27x = 7,990.52 × 3,137.70
  4. Step 4: Simplify right side
    5,790.27x = 25,071,854.60
  5. Step 5: Solve for x
    x = 25,071,854.60/5,790.27
  6. Step 6: Final answer
    x = 4,330.00

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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.