Home / 5,196.08-7,170.32-2,957.65

Finding the Fourth Proportional to 5,196.08, 7,170.32 and 2,957.65

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Solution

The fourth proportional to 5,196.08, 7,170.32 and 2,957.65 is: 4,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.08 : 7,170.32 = 2,957.65 : x
  2. Step 2: Convert to fraction form
    5,196.08/7,170.32 = 2,957.65/x
  3. Step 3: Cross multiply
    5,196.08x = 7,170.32 × 2,957.65
  4. Step 4: Simplify right side
    5,196.08x = 21,207,286.42
  5. Step 5: Solve for x
    x = 21,207,286.42/5,196.08
  6. Step 6: Final answer
    x = 4,081.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.