Home / 3,416.25-4,714.71-2,090.79

Finding the Fourth Proportional to 3,416.25, 4,714.71 and 2,090.79

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Solution

The fourth proportional to 3,416.25, 4,714.71 and 2,090.79 is: 2,885.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.25 : 4,714.71 = 2,090.79 : x
  2. Step 2: Convert to fraction form
    3,416.25/4,714.71 = 2,090.79/x
  3. Step 3: Cross multiply
    3,416.25x = 4,714.71 × 2,090.79
  4. Step 4: Simplify right side
    3,416.25x = 9,857,468.52
  5. Step 5: Solve for x
    x = 9,857,468.52/3,416.25
  6. Step 6: Final answer
    x = 2,885.46

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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.