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Finding the Fourth Proportional to 3,704.79, 5,117.60 and 2,964.05

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Solution

The fourth proportional to 3,704.79, 5,117.60 and 2,964.05 is: 4,094.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.79 : 5,117.60 = 2,964.05 : x
  2. Step 2: Convert to fraction form
    3,704.79/5,117.60 = 2,964.05/x
  3. Step 3: Cross multiply
    3,704.79x = 5,117.60 × 2,964.05
  4. Step 4: Simplify right side
    3,704.79x = 15,168,804.10
  5. Step 5: Solve for x
    x = 15,168,804.10/3,704.79
  6. Step 6: Final answer
    x = 4,094.38

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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.