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Finding the Fourth Proportional to 2,597.40, 3,896.10 and 2,328.60

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Solution

The fourth proportional to 2,597.40, 3,896.10 and 2,328.60 is: 3,492.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.40 : 3,896.10 = 2,328.60 : x
  2. Step 2: Convert to fraction form
    2,597.40/3,896.10 = 2,328.60/x
  3. Step 3: Cross multiply
    2,597.40x = 3,896.10 × 2,328.60
  4. Step 4: Simplify right side
    2,597.40x = 9,072,458.46
  5. Step 5: Solve for x
    x = 9,072,458.46/2,597.40
  6. Step 6: Final answer
    x = 3,492.90

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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.