Home / 5,272.16-7,896.81-3,417.26

Finding the Fourth Proportional to 5,272.16, 7,896.81 and 3,417.26

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Solution

The fourth proportional to 5,272.16, 7,896.81 and 3,417.26 is: 5,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.16 : 7,896.81 = 3,417.26 : x
  2. Step 2: Convert to fraction form
    5,272.16/7,896.81 = 3,417.26/x
  3. Step 3: Cross multiply
    5,272.16x = 7,896.81 × 3,417.26
  4. Step 4: Simplify right side
    5,272.16x = 26,985,452.94
  5. Step 5: Solve for x
    x = 26,985,452.94/5,272.16
  6. Step 6: Final answer
    x = 5,118.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.