Home / 5,065.37-6,990.26-2,827.40

Finding the Fourth Proportional to 5,065.37, 6,990.26 and 2,827.40

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Solution

The fourth proportional to 5,065.37, 6,990.26 and 2,827.40 is: 3,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.37 : 6,990.26 = 2,827.40 : x
  2. Step 2: Convert to fraction form
    5,065.37/6,990.26 = 2,827.40/x
  3. Step 3: Cross multiply
    5,065.37x = 6,990.26 × 2,827.40
  4. Step 4: Simplify right side
    5,065.37x = 19,764,212.04
  5. Step 5: Solve for x
    x = 19,764,212.04/5,065.37
  6. Step 6: Final answer
    x = 3,901.83

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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.