Home / 3,254.76-4,491.57-1,762.69

Finding the Fourth Proportional to 3,254.76, 4,491.57 and 1,762.69

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Solution

The fourth proportional to 3,254.76, 4,491.57 and 1,762.69 is: 2,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.76 : 4,491.57 = 1,762.69 : x
  2. Step 2: Convert to fraction form
    3,254.76/4,491.57 = 1,762.69/x
  3. Step 3: Cross multiply
    3,254.76x = 4,491.57 × 1,762.69
  4. Step 4: Simplify right side
    3,254.76x = 7,917,245.52
  5. Step 5: Solve for x
    x = 7,917,245.52/3,254.76
  6. Step 6: Final answer
    x = 2,432.51

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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.