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Finding the Fourth Proportional to 3,706.79, 5,528.93 and 3,152.75

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Solution

The fourth proportional to 3,706.79, 5,528.93 and 3,152.75 is: 4,702.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.79 : 5,528.93 = 3,152.75 : x
  2. Step 2: Convert to fraction form
    3,706.79/5,528.93 = 3,152.75/x
  3. Step 3: Cross multiply
    3,706.79x = 5,528.93 × 3,152.75
  4. Step 4: Simplify right side
    3,706.79x = 17,431,290.65
  5. Step 5: Solve for x
    x = 17,431,290.65/3,706.79
  6. Step 6: Final answer
    x = 4,702.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.