Home / 5,163.55-7,124.48-3,039.18

Finding the Fourth Proportional to 5,163.55, 7,124.48 and 3,039.18

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Solution

The fourth proportional to 5,163.55, 7,124.48 and 3,039.18 is: 4,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.55 : 7,124.48 = 3,039.18 : x
  2. Step 2: Convert to fraction form
    5,163.55/7,124.48 = 3,039.18/x
  3. Step 3: Cross multiply
    5,163.55x = 7,124.48 × 3,039.18
  4. Step 4: Simplify right side
    5,163.55x = 21,652,577.13
  5. Step 5: Solve for x
    x = 21,652,577.13/5,163.55
  6. Step 6: Final answer
    x = 4,193.35

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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.