Home / 5,249.49-7,875.33-2,783.64

Finding the Fourth Proportional to 5,249.49, 7,875.33 and 2,783.64

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Solution

The fourth proportional to 5,249.49, 7,875.33 and 2,783.64 is: 4,176.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.49 : 7,875.33 = 2,783.64 : x
  2. Step 2: Convert to fraction form
    5,249.49/7,875.33 = 2,783.64/x
  3. Step 3: Cross multiply
    5,249.49x = 7,875.33 × 2,783.64
  4. Step 4: Simplify right side
    5,249.49x = 21,922,083.60
  5. Step 5: Solve for x
    x = 21,922,083.60/5,249.49
  6. Step 6: Final answer
    x = 4,176.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.