Home / 5,712.54-7,884.45-3,355.44

Finding the Fourth Proportional to 5,712.54, 7,884.45 and 3,355.44

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Solution

The fourth proportional to 5,712.54, 7,884.45 and 3,355.44 is: 4,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.54 : 7,884.45 = 3,355.44 : x
  2. Step 2: Convert to fraction form
    5,712.54/7,884.45 = 3,355.44/x
  3. Step 3: Cross multiply
    5,712.54x = 7,884.45 × 3,355.44
  4. Step 4: Simplify right side
    5,712.54x = 26,455,798.91
  5. Step 5: Solve for x
    x = 26,455,798.91/5,712.54
  6. Step 6: Final answer
    x = 4,631.18

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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.