Home / 5,309.72-7,326.84-3,071.26

Finding the Fourth Proportional to 5,309.72, 7,326.84 and 3,071.26

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Solution

The fourth proportional to 5,309.72, 7,326.84 and 3,071.26 is: 4,238.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.72 : 7,326.84 = 3,071.26 : x
  2. Step 2: Convert to fraction form
    5,309.72/7,326.84 = 3,071.26/x
  3. Step 3: Cross multiply
    5,309.72x = 7,326.84 × 3,071.26
  4. Step 4: Simplify right side
    5,309.72x = 22,502,630.62
  5. Step 5: Solve for x
    x = 22,502,630.62/5,309.72
  6. Step 6: Final answer
    x = 4,238.01

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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.