Home / 3,168.08-4,751.98-976.70

Finding the Fourth Proportional to 3,168.08, 4,751.98 and 976.70

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Solution

The fourth proportional to 3,168.08, 4,751.98 and 976.70 is: 1,465.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.08 : 4,751.98 = 976.70 : x
  2. Step 2: Convert to fraction form
    3,168.08/4,751.98 = 976.70/x
  3. Step 3: Cross multiply
    3,168.08x = 4,751.98 × 976.70
  4. Step 4: Simplify right side
    3,168.08x = 4,641,258.87
  5. Step 5: Solve for x
    x = 4,641,258.87/3,168.08
  6. Step 6: Final answer
    x = 1,465.01

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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.