Home / 4,191.14-5,783.79-2,620.13

Finding the Fourth Proportional to 4,191.14, 5,783.79 and 2,620.13

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Solution

The fourth proportional to 4,191.14, 5,783.79 and 2,620.13 is: 3,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.14 : 5,783.79 = 2,620.13 : x
  2. Step 2: Convert to fraction form
    4,191.14/5,783.79 = 2,620.13/x
  3. Step 3: Cross multiply
    4,191.14x = 5,783.79 × 2,620.13
  4. Step 4: Simplify right side
    4,191.14x = 15,154,281.69
  5. Step 5: Solve for x
    x = 15,154,281.69/4,191.14
  6. Step 6: Final answer
    x = 3,615.79

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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.