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Finding the Fourth Proportional to 2,696.57, 3,720.83 and 1,702.38

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Solution

The fourth proportional to 2,696.57, 3,720.83 and 1,702.38 is: 2,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.57 : 3,720.83 = 1,702.38 : x
  2. Step 2: Convert to fraction form
    2,696.57/3,720.83 = 1,702.38/x
  3. Step 3: Cross multiply
    2,696.57x = 3,720.83 × 1,702.38
  4. Step 4: Simplify right side
    2,696.57x = 6,334,258.06
  5. Step 5: Solve for x
    x = 6,334,258.06/2,696.57
  6. Step 6: Final answer
    x = 2,349.01

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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.