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Finding the Fourth Proportional to 3,098.98, 4,275.54 and 1,771.74

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Solution

The fourth proportional to 3,098.98, 4,275.54 and 1,771.74 is: 2,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.98 : 4,275.54 = 1,771.74 : x
  2. Step 2: Convert to fraction form
    3,098.98/4,275.54 = 1,771.74/x
  3. Step 3: Cross multiply
    3,098.98x = 4,275.54 × 1,771.74
  4. Step 4: Simplify right side
    3,098.98x = 7,575,145.24
  5. Step 5: Solve for x
    x = 7,575,145.24/3,098.98
  6. Step 6: Final answer
    x = 2,444.40

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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.