Home / 3,431.24-4,735.13-1,859.33

Finding the Fourth Proportional to 3,431.24, 4,735.13 and 1,859.33

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Solution

The fourth proportional to 3,431.24, 4,735.13 and 1,859.33 is: 2,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.24 : 4,735.13 = 1,859.33 : x
  2. Step 2: Convert to fraction form
    3,431.24/4,735.13 = 1,859.33/x
  3. Step 3: Cross multiply
    3,431.24x = 4,735.13 × 1,859.33
  4. Step 4: Simplify right side
    3,431.24x = 8,804,169.26
  5. Step 5: Solve for x
    x = 8,804,169.26/3,431.24
  6. Step 6: Final answer
    x = 2,565.89

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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.