Home / 5,137.09-7,705.63-1,760.14

Finding the Fourth Proportional to 5,137.09, 7,705.63 and 1,760.14

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Solution

The fourth proportional to 5,137.09, 7,705.63 and 1,760.14 is: 2,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.09 : 7,705.63 = 1,760.14 : x
  2. Step 2: Convert to fraction form
    5,137.09/7,705.63 = 1,760.14/x
  3. Step 3: Cross multiply
    5,137.09x = 7,705.63 × 1,760.14
  4. Step 4: Simplify right side
    5,137.09x = 13,562,956.08
  5. Step 5: Solve for x
    x = 13,562,956.08/5,137.09
  6. Step 6: Final answer
    x = 2,640.20

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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.