Home / 3,309.48-4,566.92-1,817.36

Finding the Fourth Proportional to 3,309.48, 4,566.92 and 1,817.36

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Solution

The fourth proportional to 3,309.48, 4,566.92 and 1,817.36 is: 2,507.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.48 : 4,566.92 = 1,817.36 : x
  2. Step 2: Convert to fraction form
    3,309.48/4,566.92 = 1,817.36/x
  3. Step 3: Cross multiply
    3,309.48x = 4,566.92 × 1,817.36
  4. Step 4: Simplify right side
    3,309.48x = 8,299,705.81
  5. Step 5: Solve for x
    x = 8,299,705.81/3,309.48
  6. Step 6: Final answer
    x = 2,507.86

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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.