Home / 7,185.40-10,773.44-2,803.30

Finding the Fourth Proportional to 7,185.40, 10,773.44 and 2,803.30

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Solution

The fourth proportional to 7,185.40, 10,773.44 and 2,803.30 is: 4,203.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.40 : 10,773.44 = 2,803.30 : x
  2. Step 2: Convert to fraction form
    7,185.40/10,773.44 = 2,803.30/x
  3. Step 3: Cross multiply
    7,185.40x = 10,773.44 × 2,803.30
  4. Step 4: Simplify right side
    7,185.40x = 30,201,184.35
  5. Step 5: Solve for x
    x = 30,201,184.35/7,185.40
  6. Step 6: Final answer
    x = 4,203.13

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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.