Home / 7,271.26-10,036.61-4,129.54

Finding the Fourth Proportional to 7,271.26, 10,036.61 and 4,129.54

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Solution

The fourth proportional to 7,271.26, 10,036.61 and 4,129.54 is: 5,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.26 : 10,036.61 = 4,129.54 : x
  2. Step 2: Convert to fraction form
    7,271.26/10,036.61 = 4,129.54/x
  3. Step 3: Cross multiply
    7,271.26x = 10,036.61 × 4,129.54
  4. Step 4: Simplify right side
    7,271.26x = 41,446,582.46
  5. Step 5: Solve for x
    x = 41,446,582.46/7,271.26
  6. Step 6: Final answer
    x = 5,700.06

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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.