Home / 7,047.06-9,725.22-3,903.36

Finding the Fourth Proportional to 7,047.06, 9,725.22 and 3,903.36

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Solution

The fourth proportional to 7,047.06, 9,725.22 and 3,903.36 is: 5,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.06 : 9,725.22 = 3,903.36 : x
  2. Step 2: Convert to fraction form
    7,047.06/9,725.22 = 3,903.36/x
  3. Step 3: Cross multiply
    7,047.06x = 9,725.22 × 3,903.36
  4. Step 4: Simplify right side
    7,047.06x = 37,961,034.74
  5. Step 5: Solve for x
    x = 37,961,034.74/7,047.06
  6. Step 6: Final answer
    x = 5,386.79

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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.