Home / 4,933.12-6,856-4,881.28

Finding the Fourth Proportional to 4,933.12, 6,856 and 4,881.28

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Solution

The fourth proportional to 4,933.12, 6,856 and 4,881.28 is: 6,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,933.12 : 6,856 = 4,881.28 : x
  2. Step 2: Convert to fraction form
    4,933.12/6,856 = 4,881.28/x
  3. Step 3: Cross multiply
    4,933.12x = 6,856 × 4,881.28
  4. Step 4: Simplify right side
    4,933.12x = 33,466,055.68
  5. Step 5: Solve for x
    x = 33,466,055.68/4,933.12
  6. Step 6: Final answer
    x = 6,783.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.