Home / 4,151.51-5,726.43-3,154.59

Finding the Fourth Proportional to 4,151.51, 5,726.43 and 3,154.59

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Solution

The fourth proportional to 4,151.51, 5,726.43 and 3,154.59 is: 4,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.51 : 5,726.43 = 3,154.59 : x
  2. Step 2: Convert to fraction form
    4,151.51/5,726.43 = 3,154.59/x
  3. Step 3: Cross multiply
    4,151.51x = 5,726.43 × 3,154.59
  4. Step 4: Simplify right side
    4,151.51x = 18,064,538.81
  5. Step 5: Solve for x
    x = 18,064,538.81/4,151.51
  6. Step 6: Final answer
    x = 4,351.32

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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.