Home / 3,098.98-4,275.62-1,772.43

Finding the Fourth Proportional to 3,098.98, 4,275.62 and 1,772.43

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Solution

The fourth proportional to 3,098.98, 4,275.62 and 1,772.43 is: 2,445.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.98 : 4,275.62 = 1,772.43 : x
  2. Step 2: Convert to fraction form
    3,098.98/4,275.62 = 1,772.43/x
  3. Step 3: Cross multiply
    3,098.98x = 4,275.62 × 1,772.43
  4. Step 4: Simplify right side
    3,098.98x = 7,578,225.55
  5. Step 5: Solve for x
    x = 7,578,225.55/3,098.98
  6. Step 6: Final answer
    x = 2,445.39

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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.