Home / 5,256.48-7,881.12-2,333.28

Finding the Fourth Proportional to 5,256.48, 7,881.12 and 2,333.28

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Solution

The fourth proportional to 5,256.48, 7,881.12 and 2,333.28 is: 3,498.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.48 : 7,881.12 = 2,333.28 : x
  2. Step 2: Convert to fraction form
    5,256.48/7,881.12 = 2,333.28/x
  3. Step 3: Cross multiply
    5,256.48x = 7,881.12 × 2,333.28
  4. Step 4: Simplify right side
    5,256.48x = 18,388,859.67
  5. Step 5: Solve for x
    x = 18,388,859.67/5,256.48
  6. Step 6: Final answer
    x = 3,498.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.