Home / 5,014.14-6,920.01-2,889.75

Finding the Fourth Proportional to 5,014.14, 6,920.01 and 2,889.75

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Solution

The fourth proportional to 5,014.14, 6,920.01 and 2,889.75 is: 3,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,014.14 : 6,920.01 = 2,889.75 : x
  2. Step 2: Convert to fraction form
    5,014.14/6,920.01 = 2,889.75/x
  3. Step 3: Cross multiply
    5,014.14x = 6,920.01 × 2,889.75
  4. Step 4: Simplify right side
    5,014.14x = 19,997,098.90
  5. Step 5: Solve for x
    x = 19,997,098.90/5,014.14
  6. Step 6: Final answer
    x = 3,988.14

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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.