Home / 5,235.17-7,224.45-2,877.26

Finding the Fourth Proportional to 5,235.17, 7,224.45 and 2,877.26

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Solution

The fourth proportional to 5,235.17, 7,224.45 and 2,877.26 is: 3,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.17 : 7,224.45 = 2,877.26 : x
  2. Step 2: Convert to fraction form
    5,235.17/7,224.45 = 2,877.26/x
  3. Step 3: Cross multiply
    5,235.17x = 7,224.45 × 2,877.26
  4. Step 4: Simplify right side
    5,235.17x = 20,786,649.86
  5. Step 5: Solve for x
    x = 20,786,649.86/5,235.17
  6. Step 6: Final answer
    x = 3,970.58

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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.