Home / 5,563.66-8,345.41-1,403.64

Finding the Fourth Proportional to 5,563.66, 8,345.41 and 1,403.64

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Solution

The fourth proportional to 5,563.66, 8,345.41 and 1,403.64 is: 2,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,563.66 : 8,345.41 = 1,403.64 : x
  2. Step 2: Convert to fraction form
    5,563.66/8,345.41 = 1,403.64/x
  3. Step 3: Cross multiply
    5,563.66x = 8,345.41 × 1,403.64
  4. Step 4: Simplify right side
    5,563.66x = 11,713,969.97
  5. Step 5: Solve for x
    x = 11,713,969.97/5,563.66
  6. Step 6: Final answer
    x = 2,105.44

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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.