Home / 7,049.45-9,728.19-4,065.26

Finding the Fourth Proportional to 7,049.45, 9,728.19 and 4,065.26

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Solution

The fourth proportional to 7,049.45, 9,728.19 and 4,065.26 is: 5,610.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049.45 : 9,728.19 = 4,065.26 : x
  2. Step 2: Convert to fraction form
    7,049.45/9,728.19 = 4,065.26/x
  3. Step 3: Cross multiply
    7,049.45x = 9,728.19 × 4,065.26
  4. Step 4: Simplify right side
    7,049.45x = 39,547,621.68
  5. Step 5: Solve for x
    x = 39,547,621.68/7,049.45
  6. Step 6: Final answer
    x = 5,610.03

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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.