Home / 4,837.80-6,677.62-3,156.24

Finding the Fourth Proportional to 4,837.80, 6,677.62 and 3,156.24

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Solution

The fourth proportional to 4,837.80, 6,677.62 and 3,156.24 is: 4,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.80 : 6,677.62 = 3,156.24 : x
  2. Step 2: Convert to fraction form
    4,837.80/6,677.62 = 3,156.24/x
  3. Step 3: Cross multiply
    4,837.80x = 6,677.62 × 3,156.24
  4. Step 4: Simplify right side
    4,837.80x = 21,076,171.35
  5. Step 5: Solve for x
    x = 21,076,171.35/4,837.80
  6. Step 6: Final answer
    x = 4,356.56

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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.