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Finding the Fourth Proportional to 3,316.68, 4,975.20 and 2,597.40

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Solution

The fourth proportional to 3,316.68, 4,975.20 and 2,597.40 is: 3,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.68 : 4,975.20 = 2,597.40 : x
  2. Step 2: Convert to fraction form
    3,316.68/4,975.20 = 2,597.40/x
  3. Step 3: Cross multiply
    3,316.68x = 4,975.20 × 2,597.40
  4. Step 4: Simplify right side
    3,316.68x = 12,922,584.48
  5. Step 5: Solve for x
    x = 12,922,584.48/3,316.68
  6. Step 6: Final answer
    x = 3,896.24

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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.