Home / 5,237.59-7,228.22-2,999.77

Finding the Fourth Proportional to 5,237.59, 7,228.22 and 2,999.77

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Solution

The fourth proportional to 5,237.59, 7,228.22 and 2,999.77 is: 4,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.59 : 7,228.22 = 2,999.77 : x
  2. Step 2: Convert to fraction form
    5,237.59/7,228.22 = 2,999.77/x
  3. Step 3: Cross multiply
    5,237.59x = 7,228.22 × 2,999.77
  4. Step 4: Simplify right side
    5,237.59x = 21,682,997.51
  5. Step 5: Solve for x
    x = 21,682,997.51/5,237.59
  6. Step 6: Final answer
    x = 4,139.88

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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.