Home / 5,755.66-8,632.58-2,057.20

Finding the Fourth Proportional to 5,755.66, 8,632.58 and 2,057.20

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Solution

The fourth proportional to 5,755.66, 8,632.58 and 2,057.20 is: 3,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.66 : 8,632.58 = 2,057.20 : x
  2. Step 2: Convert to fraction form
    5,755.66/8,632.58 = 2,057.20/x
  3. Step 3: Cross multiply
    5,755.66x = 8,632.58 × 2,057.20
  4. Step 4: Simplify right side
    5,755.66x = 17,758,911.71
  5. Step 5: Solve for x
    x = 17,758,911.71/5,755.66
  6. Step 6: Final answer
    x = 3,085.47

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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.