Home / 4,921.67-6,791.91-2,683.51

Finding the Fourth Proportional to 4,921.67, 6,791.91 and 2,683.51

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Solution

The fourth proportional to 4,921.67, 6,791.91 and 2,683.51 is: 3,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.67 : 6,791.91 = 2,683.51 : x
  2. Step 2: Convert to fraction form
    4,921.67/6,791.91 = 2,683.51/x
  3. Step 3: Cross multiply
    4,921.67x = 6,791.91 × 2,683.51
  4. Step 4: Simplify right side
    4,921.67x = 18,226,158.40
  5. Step 5: Solve for x
    x = 18,226,158.40/4,921.67
  6. Step 6: Final answer
    x = 3,703.25

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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.