Home / 3,057.99-4,220.76-1,732.47

Finding the Fourth Proportional to 3,057.99, 4,220.76 and 1,732.47

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Solution

The fourth proportional to 3,057.99, 4,220.76 and 1,732.47 is: 2,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.99 : 4,220.76 = 1,732.47 : x
  2. Step 2: Convert to fraction form
    3,057.99/4,220.76 = 1,732.47/x
  3. Step 3: Cross multiply
    3,057.99x = 4,220.76 × 1,732.47
  4. Step 4: Simplify right side
    3,057.99x = 7,312,340.08
  5. Step 5: Solve for x
    x = 7,312,340.08/3,057.99
  6. Step 6: Final answer
    x = 2,391.22

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.