Home / 2,205.02-3,305.76-1,509.98

Finding the Fourth Proportional to 2,205.02, 3,305.76 and 1,509.98

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Solution

The fourth proportional to 2,205.02, 3,305.76 and 1,509.98 is: 2,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.02 : 3,305.76 = 1,509.98 : x
  2. Step 2: Convert to fraction form
    2,205.02/3,305.76 = 1,509.98/x
  3. Step 3: Cross multiply
    2,205.02x = 3,305.76 × 1,509.98
  4. Step 4: Simplify right side
    2,205.02x = 4,991,631.48
  5. Step 5: Solve for x
    x = 4,991,631.48/2,205.02
  6. Step 6: Final answer
    x = 2,263.76

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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.