Home / 4,160.96-5,726.40-3,150.08

Finding the Fourth Proportional to 4,160.96, 5,726.40 and 3,150.08

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Solution

The fourth proportional to 4,160.96, 5,726.40 and 3,150.08 is: 4,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160.96 : 5,726.40 = 3,150.08 : x
  2. Step 2: Convert to fraction form
    4,160.96/5,726.40 = 3,150.08/x
  3. Step 3: Cross multiply
    4,160.96x = 5,726.40 × 3,150.08
  4. Step 4: Simplify right side
    4,160.96x = 18,038,618.11
  5. Step 5: Solve for x
    x = 18,038,618.11/4,160.96
  6. Step 6: Final answer
    x = 4,335.21

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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.