Home / 5,346.18-7,376.09-3,107.61

Finding the Fourth Proportional to 5,346.18, 7,376.09 and 3,107.61

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Solution

The fourth proportional to 5,346.18, 7,376.09 and 3,107.61 is: 4,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.18 : 7,376.09 = 3,107.61 : x
  2. Step 2: Convert to fraction form
    5,346.18/7,376.09 = 3,107.61/x
  3. Step 3: Cross multiply
    5,346.18x = 7,376.09 × 3,107.61
  4. Step 4: Simplify right side
    5,346.18x = 22,921,995.51
  5. Step 5: Solve for x
    x = 22,921,995.51/5,346.18
  6. Step 6: Final answer
    x = 4,287.55

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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.