Home / 3,305.96-4,562.66-2,130.45

Finding the Fourth Proportional to 3,305.96, 4,562.66 and 2,130.45

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Solution

The fourth proportional to 3,305.96, 4,562.66 and 2,130.45 is: 2,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.96 : 4,562.66 = 2,130.45 : x
  2. Step 2: Convert to fraction form
    3,305.96/4,562.66 = 2,130.45/x
  3. Step 3: Cross multiply
    3,305.96x = 4,562.66 × 2,130.45
  4. Step 4: Simplify right side
    3,305.96x = 9,720,519.00
  5. Step 5: Solve for x
    x = 9,720,519.00/3,305.96
  6. Step 6: Final answer
    x = 2,940.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.