Home / 5,259.20-7,256.70-3,021.08

Finding the Fourth Proportional to 5,259.20, 7,256.70 and 3,021.08

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Solution

The fourth proportional to 5,259.20, 7,256.70 and 3,021.08 is: 4,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.20 : 7,256.70 = 3,021.08 : x
  2. Step 2: Convert to fraction form
    5,259.20/7,256.70 = 3,021.08/x
  3. Step 3: Cross multiply
    5,259.20x = 7,256.70 × 3,021.08
  4. Step 4: Simplify right side
    5,259.20x = 21,923,071.24
  5. Step 5: Solve for x
    x = 21,923,071.24/5,259.20
  6. Step 6: Final answer
    x = 4,168.52

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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.