Home / 5,065.58-6,990.51-2,827.46

Finding the Fourth Proportional to 5,065.58, 6,990.51 and 2,827.46

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Solution

The fourth proportional to 5,065.58, 6,990.51 and 2,827.46 is: 3,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.58 : 6,990.51 = 2,827.46 : x
  2. Step 2: Convert to fraction form
    5,065.58/6,990.51 = 2,827.46/x
  3. Step 3: Cross multiply
    5,065.58x = 6,990.51 × 2,827.46
  4. Step 4: Simplify right side
    5,065.58x = 19,765,389.27
  5. Step 5: Solve for x
    x = 19,765,389.27/5,065.58
  6. Step 6: Final answer
    x = 3,901.90

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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.