Home / 5,845.78-8,808.12-4,828.57

Finding the Fourth Proportional to 5,845.78, 8,808.12 and 4,828.57

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Solution

The fourth proportional to 5,845.78, 8,808.12 and 4,828.57 is: 7,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,845.78 : 8,808.12 = 4,828.57 : x
  2. Step 2: Convert to fraction form
    5,845.78/8,808.12 = 4,828.57/x
  3. Step 3: Cross multiply
    5,845.78x = 8,808.12 × 4,828.57
  4. Step 4: Simplify right side
    5,845.78x = 42,530,579.95
  5. Step 5: Solve for x
    x = 42,530,579.95/5,845.78
  6. Step 6: Final answer
    x = 7,275.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.