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Finding the Fourth Proportional to 5,398.58, 8,097.70 and 1,700.72

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Solution

The fourth proportional to 5,398.58, 8,097.70 and 1,700.72 is: 2,551.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.58 : 8,097.70 = 1,700.72 : x
  2. Step 2: Convert to fraction form
    5,398.58/8,097.70 = 1,700.72/x
  3. Step 3: Cross multiply
    5,398.58x = 8,097.70 × 1,700.72
  4. Step 4: Simplify right side
    5,398.58x = 13,771,920.34
  5. Step 5: Solve for x
    x = 13,771,920.34/5,398.58
  6. Step 6: Final answer
    x = 2,551.03

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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.