Home / 5,038.50-7,558.83-2,119.26

Finding the Fourth Proportional to 5,038.50, 7,558.83 and 2,119.26

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Solution

The fourth proportional to 5,038.50, 7,558.83 and 2,119.26 is: 3,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.50 : 7,558.83 = 2,119.26 : x
  2. Step 2: Convert to fraction form
    5,038.50/7,558.83 = 2,119.26/x
  3. Step 3: Cross multiply
    5,038.50x = 7,558.83 × 2,119.26
  4. Step 4: Simplify right side
    5,038.50x = 16,019,126.07
  5. Step 5: Solve for x
    x = 16,019,126.07/5,038.50
  6. Step 6: Final answer
    x = 3,179.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.