Home / 7,057.76-10,587.12-2,126.96

Finding the Fourth Proportional to 7,057.76, 10,587.12 and 2,126.96

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Solution

The fourth proportional to 7,057.76, 10,587.12 and 2,126.96 is: 3,190.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057.76 : 10,587.12 = 2,126.96 : x
  2. Step 2: Convert to fraction form
    7,057.76/10,587.12 = 2,126.96/x
  3. Step 3: Cross multiply
    7,057.76x = 10,587.12 × 2,126.96
  4. Step 4: Simplify right side
    7,057.76x = 22,518,380.76
  5. Step 5: Solve for x
    x = 22,518,380.76/7,057.76
  6. Step 6: Final answer
    x = 3,190.58

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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.