Home / 5,065.18-6,996.03-3,900.22

Finding the Fourth Proportional to 5,065.18, 6,996.03 and 3,900.22

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Solution

The fourth proportional to 5,065.18, 6,996.03 and 3,900.22 is: 5,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.18 : 6,996.03 = 3,900.22 : x
  2. Step 2: Convert to fraction form
    5,065.18/6,996.03 = 3,900.22/x
  3. Step 3: Cross multiply
    5,065.18x = 6,996.03 × 3,900.22
  4. Step 4: Simplify right side
    5,065.18x = 27,286,056.13
  5. Step 5: Solve for x
    x = 27,286,056.13/5,065.18
  6. Step 6: Final answer
    x = 5,386.99

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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.