Home / 3,255.39-4,492.80-1,858.14

Finding the Fourth Proportional to 3,255.39, 4,492.80 and 1,858.14

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Solution

The fourth proportional to 3,255.39, 4,492.80 and 1,858.14 is: 2,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.39 : 4,492.80 = 1,858.14 : x
  2. Step 2: Convert to fraction form
    3,255.39/4,492.80 = 1,858.14/x
  3. Step 3: Cross multiply
    3,255.39x = 4,492.80 × 1,858.14
  4. Step 4: Simplify right side
    3,255.39x = 8,348,251.39
  5. Step 5: Solve for x
    x = 8,348,251.39/3,255.39
  6. Step 6: Final answer
    x = 2,564.44

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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.