Home / 5,816.63-8,024.38-3,876.78

Finding the Fourth Proportional to 5,816.63, 8,024.38 and 3,876.78

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Solution

The fourth proportional to 5,816.63, 8,024.38 and 3,876.78 is: 5,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.63 : 8,024.38 = 3,876.78 : x
  2. Step 2: Convert to fraction form
    5,816.63/8,024.38 = 3,876.78/x
  3. Step 3: Cross multiply
    5,816.63x = 8,024.38 × 3,876.78
  4. Step 4: Simplify right side
    5,816.63x = 31,108,736.51
  5. Step 5: Solve for x
    x = 31,108,736.51/5,816.63
  6. Step 6: Final answer
    x = 5,348.24

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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.