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Finding the Fourth Proportional to 5,244.39, 7,867.94 and 1,957.50

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Solution

The fourth proportional to 5,244.39, 7,867.94 and 1,957.50 is: 2,936.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.39 : 7,867.94 = 1,957.50 : x
  2. Step 2: Convert to fraction form
    5,244.39/7,867.94 = 1,957.50/x
  3. Step 3: Cross multiply
    5,244.39x = 7,867.94 × 1,957.50
  4. Step 4: Simplify right side
    5,244.39x = 15,401,482.76
  5. Step 5: Solve for x
    x = 15,401,482.76/5,244.39
  6. Step 6: Final answer
    x = 2,936.75

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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.