Home / 4,100.16-6,152.79-1,909.08

Finding the Fourth Proportional to 4,100.16, 6,152.79 and 1,909.08

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Solution

The fourth proportional to 4,100.16, 6,152.79 and 1,909.08 is: 2,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.16 : 6,152.79 = 1,909.08 : x
  2. Step 2: Convert to fraction form
    4,100.16/6,152.79 = 1,909.08/x
  3. Step 3: Cross multiply
    4,100.16x = 6,152.79 × 1,909.08
  4. Step 4: Simplify right side
    4,100.16x = 11,746,168.33
  5. Step 5: Solve for x
    x = 11,746,168.33/4,100.16
  6. Step 6: Final answer
    x = 2,864.81

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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.