Home / 7,391.08-10,185.66-5,291.56

Finding the Fourth Proportional to 7,391.08, 10,185.66 and 5,291.56

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Solution

The fourth proportional to 7,391.08, 10,185.66 and 5,291.56 is: 7,292.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.08 : 10,185.66 = 5,291.56 : x
  2. Step 2: Convert to fraction form
    7,391.08/10,185.66 = 5,291.56/x
  3. Step 3: Cross multiply
    7,391.08x = 10,185.66 × 5,291.56
  4. Step 4: Simplify right side
    7,391.08x = 53,898,031.03
  5. Step 5: Solve for x
    x = 53,898,031.03/7,391.08
  6. Step 6: Final answer
    x = 7,292.31

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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.