Home / 5,777.49-8,663.80-2,219.03

Finding the Fourth Proportional to 5,777.49, 8,663.80 and 2,219.03

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Solution

The fourth proportional to 5,777.49, 8,663.80 and 2,219.03 is: 3,327.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.49 : 8,663.80 = 2,219.03 : x
  2. Step 2: Convert to fraction form
    5,777.49/8,663.80 = 2,219.03/x
  3. Step 3: Cross multiply
    5,777.49x = 8,663.80 × 2,219.03
  4. Step 4: Simplify right side
    5,777.49x = 19,225,232.11
  5. Step 5: Solve for x
    x = 19,225,232.11/5,777.49
  6. Step 6: Final answer
    x = 3,327.61

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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.