Home / 3,099.18-4,275.66-1,772.18

Finding the Fourth Proportional to 3,099.18, 4,275.66 and 1,772.18

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Solution

The fourth proportional to 3,099.18, 4,275.66 and 1,772.18 is: 2,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.18 : 4,275.66 = 1,772.18 : x
  2. Step 2: Convert to fraction form
    3,099.18/4,275.66 = 1,772.18/x
  3. Step 3: Cross multiply
    3,099.18x = 4,275.66 × 1,772.18
  4. Step 4: Simplify right side
    3,099.18x = 7,577,240.44
  5. Step 5: Solve for x
    x = 7,577,240.44/3,099.18
  6. Step 6: Final answer
    x = 2,444.91

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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.