Home / 3,835.17-5,290.11-2,416.39

Finding the Fourth Proportional to 3,835.17, 5,290.11 and 2,416.39

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Solution

The fourth proportional to 3,835.17, 5,290.11 and 2,416.39 is: 3,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.17 : 5,290.11 = 2,416.39 : x
  2. Step 2: Convert to fraction form
    3,835.17/5,290.11 = 2,416.39/x
  3. Step 3: Cross multiply
    3,835.17x = 5,290.11 × 2,416.39
  4. Step 4: Simplify right side
    3,835.17x = 12,782,955.68
  5. Step 5: Solve for x
    x = 12,782,955.68/3,835.17
  6. Step 6: Final answer
    x = 3,333.09

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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.