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Finding the Fourth Proportional to 5,979.78, 8,970.08 and 1,597.14

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Solution

The fourth proportional to 5,979.78, 8,970.08 and 1,597.14 is: 2,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.78 : 8,970.08 = 1,597.14 : x
  2. Step 2: Convert to fraction form
    5,979.78/8,970.08 = 1,597.14/x
  3. Step 3: Cross multiply
    5,979.78x = 8,970.08 × 1,597.14
  4. Step 4: Simplify right side
    5,979.78x = 14,326,465.59
  5. Step 5: Solve for x
    x = 14,326,465.59/5,979.78
  6. Step 6: Final answer
    x = 2,395.82

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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.