Home / 5,189.04-7,783.56-1,900.71

Finding the Fourth Proportional to 5,189.04, 7,783.56 and 1,900.71

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Solution

The fourth proportional to 5,189.04, 7,783.56 and 1,900.71 is: 2,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.04 : 7,783.56 = 1,900.71 : x
  2. Step 2: Convert to fraction form
    5,189.04/7,783.56 = 1,900.71/x
  3. Step 3: Cross multiply
    5,189.04x = 7,783.56 × 1,900.71
  4. Step 4: Simplify right side
    5,189.04x = 14,794,290.33
  5. Step 5: Solve for x
    x = 14,794,290.33/5,189.04
  6. Step 6: Final answer
    x = 2,851.07

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Similar ratio
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1.5x scale

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.