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Finding the Fourth Proportional to 4,684.56, 7,026.28 and 1,397.68

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Solution

The fourth proportional to 4,684.56, 7,026.28 and 1,397.68 is: 2,096.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.56 : 7,026.28 = 1,397.68 : x
  2. Step 2: Convert to fraction form
    4,684.56/7,026.28 = 1,397.68/x
  3. Step 3: Cross multiply
    4,684.56x = 7,026.28 × 1,397.68
  4. Step 4: Simplify right side
    4,684.56x = 9,820,491.03
  5. Step 5: Solve for x
    x = 9,820,491.03/4,684.56
  6. Step 6: Final answer
    x = 2,096.35

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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.