Home / 3,197.67-4,411.76-1,800.15

Finding the Fourth Proportional to 3,197.67, 4,411.76 and 1,800.15

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Solution

The fourth proportional to 3,197.67, 4,411.76 and 1,800.15 is: 2,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.67 : 4,411.76 = 1,800.15 : x
  2. Step 2: Convert to fraction form
    3,197.67/4,411.76 = 1,800.15/x
  3. Step 3: Cross multiply
    3,197.67x = 4,411.76 × 1,800.15
  4. Step 4: Simplify right side
    3,197.67x = 7,941,812.21
  5. Step 5: Solve for x
    x = 7,941,812.21/3,197.67
  6. Step 6: Final answer
    x = 2,483.63

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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.