Home / 4,485.74-6,729.22-1,563.36

Finding the Fourth Proportional to 4,485.74, 6,729.22 and 1,563.36

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Solution

The fourth proportional to 4,485.74, 6,729.22 and 1,563.36 is: 2,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.74 : 6,729.22 = 1,563.36 : x
  2. Step 2: Convert to fraction form
    4,485.74/6,729.22 = 1,563.36/x
  3. Step 3: Cross multiply
    4,485.74x = 6,729.22 × 1,563.36
  4. Step 4: Simplify right side
    4,485.74x = 10,520,193.38
  5. Step 5: Solve for x
    x = 10,520,193.38/4,485.74
  6. Step 6: Final answer
    x = 2,345.25

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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.