Home / 4,185.42-5,775.54-2,416.80

Finding the Fourth Proportional to 4,185.42, 5,775.54 and 2,416.80

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Solution

The fourth proportional to 4,185.42, 5,775.54 and 2,416.80 is: 3,334.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.42 : 5,775.54 = 2,416.80 : x
  2. Step 2: Convert to fraction form
    4,185.42/5,775.54 = 2,416.80/x
  3. Step 3: Cross multiply
    4,185.42x = 5,775.54 × 2,416.80
  4. Step 4: Simplify right side
    4,185.42x = 13,958,325.07
  5. Step 5: Solve for x
    x = 13,958,325.07/4,185.42
  6. Step 6: Final answer
    x = 3,334.99

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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.