Home / 5,065.04-6,990.19-2,826.63

Finding the Fourth Proportional to 5,065.04, 6,990.19 and 2,826.63

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Solution

The fourth proportional to 5,065.04, 6,990.19 and 2,826.63 is: 3,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.04 : 6,990.19 = 2,826.63 : x
  2. Step 2: Convert to fraction form
    5,065.04/6,990.19 = 2,826.63/x
  3. Step 3: Cross multiply
    5,065.04x = 6,990.19 × 2,826.63
  4. Step 4: Simplify right side
    5,065.04x = 19,758,673.69
  5. Step 5: Solve for x
    x = 19,758,673.69/5,065.04
  6. Step 6: Final answer
    x = 3,900.99

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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.