Home / 5,237.86-7,228.39-2,999.96

Finding the Fourth Proportional to 5,237.86, 7,228.39 and 2,999.96

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Solution

The fourth proportional to 5,237.86, 7,228.39 and 2,999.96 is: 4,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.86 : 7,228.39 = 2,999.96 : x
  2. Step 2: Convert to fraction form
    5,237.86/7,228.39 = 2,999.96/x
  3. Step 3: Cross multiply
    5,237.86x = 7,228.39 × 2,999.96
  4. Step 4: Simplify right side
    5,237.86x = 21,684,880.86
  5. Step 5: Solve for x
    x = 21,684,880.86/5,237.86
  6. Step 6: Final answer
    x = 4,140.03

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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.