Home / 3,461.08-5,186.56-1,705.56

Finding the Fourth Proportional to 3,461.08, 5,186.56 and 1,705.56

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Solution

The fourth proportional to 3,461.08, 5,186.56 and 1,705.56 is: 2,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.08 : 5,186.56 = 1,705.56 : x
  2. Step 2: Convert to fraction form
    3,461.08/5,186.56 = 1,705.56/x
  3. Step 3: Cross multiply
    3,461.08x = 5,186.56 × 1,705.56
  4. Step 4: Simplify right side
    3,461.08x = 8,845,989.27
  5. Step 5: Solve for x
    x = 8,845,989.27/3,461.08
  6. Step 6: Final answer
    x = 2,555.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.