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Finding the Fourth Proportional to 4,397.80, 6,597.80 and 3,101.80

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Solution

The fourth proportional to 4,397.80, 6,597.80 and 3,101.80 is: 4,653.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,397.80 : 6,597.80 = 3,101.80 : x
  2. Step 2: Convert to fraction form
    4,397.80/6,597.80 = 3,101.80/x
  3. Step 3: Cross multiply
    4,397.80x = 6,597.80 × 3,101.80
  4. Step 4: Simplify right side
    4,397.80x = 20,465,056.04
  5. Step 5: Solve for x
    x = 20,465,056.04/4,397.80
  6. Step 6: Final answer
    x = 4,653.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.