Home / 3,084.35-4,255.35-1,757.12

Finding the Fourth Proportional to 3,084.35, 4,255.35 and 1,757.12

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Solution

The fourth proportional to 3,084.35, 4,255.35 and 1,757.12 is: 2,424.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.35 : 4,255.35 = 1,757.12 : x
  2. Step 2: Convert to fraction form
    3,084.35/4,255.35 = 1,757.12/x
  3. Step 3: Cross multiply
    3,084.35x = 4,255.35 × 1,757.12
  4. Step 4: Simplify right side
    3,084.35x = 7,477,139.32
  5. Step 5: Solve for x
    x = 7,477,139.32/3,084.35
  6. Step 6: Final answer
    x = 2,424.22

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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.