Home / 5,191.19-7,159.39-3,300.65

Finding the Fourth Proportional to 5,191.19, 7,159.39 and 3,300.65

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Solution

The fourth proportional to 5,191.19, 7,159.39 and 3,300.65 is: 4,552.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.19 : 7,159.39 = 3,300.65 : x
  2. Step 2: Convert to fraction form
    5,191.19/7,159.39 = 3,300.65/x
  3. Step 3: Cross multiply
    5,191.19x = 7,159.39 × 3,300.65
  4. Step 4: Simplify right side
    5,191.19x = 23,630,623.40
  5. Step 5: Solve for x
    x = 23,630,623.40/5,191.19
  6. Step 6: Final answer
    x = 4,552.06

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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.