Home / 4,090.75-5,644.96-2,412.07

Finding the Fourth Proportional to 4,090.75, 5,644.96 and 2,412.07

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Solution

The fourth proportional to 4,090.75, 5,644.96 and 2,412.07 is: 3,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.75 : 5,644.96 = 2,412.07 : x
  2. Step 2: Convert to fraction form
    4,090.75/5,644.96 = 2,412.07/x
  3. Step 3: Cross multiply
    4,090.75x = 5,644.96 × 2,412.07
  4. Step 4: Simplify right side
    4,090.75x = 13,616,063.85
  5. Step 5: Solve for x
    x = 13,616,063.85/4,090.75
  6. Step 6: Final answer
    x = 3,328.50

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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.