Home / 3,133.56-4,322.77-2,430.07

Finding the Fourth Proportional to 3,133.56, 4,322.77 and 2,430.07

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Solution

The fourth proportional to 3,133.56, 4,322.77 and 2,430.07 is: 3,352.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.56 : 4,322.77 = 2,430.07 : x
  2. Step 2: Convert to fraction form
    3,133.56/4,322.77 = 2,430.07/x
  3. Step 3: Cross multiply
    3,133.56x = 4,322.77 × 2,430.07
  4. Step 4: Simplify right side
    3,133.56x = 10,504,633.69
  5. Step 5: Solve for x
    x = 10,504,633.69/3,133.56
  6. Step 6: Final answer
    x = 3,352.30

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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.