Home / 5,655.70-8,485.26-1,760.14

Finding the Fourth Proportional to 5,655.70, 8,485.26 and 1,760.14

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Solution

The fourth proportional to 5,655.70, 8,485.26 and 1,760.14 is: 2,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.70 : 8,485.26 = 1,760.14 : x
  2. Step 2: Convert to fraction form
    5,655.70/8,485.26 = 1,760.14/x
  3. Step 3: Cross multiply
    5,655.70x = 8,485.26 × 1,760.14
  4. Step 4: Simplify right side
    5,655.70x = 14,935,245.54
  5. Step 5: Solve for x
    x = 14,935,245.54/5,655.70
  6. Step 6: Final answer
    x = 2,640.74

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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.