Home / 5,662.31-7,814.48-3,305.21

Finding the Fourth Proportional to 5,662.31, 7,814.48 and 3,305.21

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Solution

The fourth proportional to 5,662.31, 7,814.48 and 3,305.21 is: 4,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,662.31 : 7,814.48 = 3,305.21 : x
  2. Step 2: Convert to fraction form
    5,662.31/7,814.48 = 3,305.21/x
  3. Step 3: Cross multiply
    5,662.31x = 7,814.48 × 3,305.21
  4. Step 4: Simplify right side
    5,662.31x = 25,828,466.63
  5. Step 5: Solve for x
    x = 25,828,466.63/5,662.31
  6. Step 6: Final answer
    x = 4,561.48

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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.