Home / 4,190.79-5,783.16-2,422.68

Finding the Fourth Proportional to 4,190.79, 5,783.16 and 2,422.68

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Solution

The fourth proportional to 4,190.79, 5,783.16 and 2,422.68 is: 3,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.79 : 5,783.16 = 2,422.68 : x
  2. Step 2: Convert to fraction form
    4,190.79/5,783.16 = 2,422.68/x
  3. Step 3: Cross multiply
    4,190.79x = 5,783.16 × 2,422.68
  4. Step 4: Simplify right side
    4,190.79x = 14,010,746.07
  5. Step 5: Solve for x
    x = 14,010,746.07/4,190.79
  6. Step 6: Final answer
    x = 3,343.22

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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.