Home / 3,509.14-5,262.16-1,316.33

Finding the Fourth Proportional to 3,509.14, 5,262.16 and 1,316.33

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Solution

The fourth proportional to 3,509.14, 5,262.16 and 1,316.33 is: 1,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.14 : 5,262.16 = 1,316.33 : x
  2. Step 2: Convert to fraction form
    3,509.14/5,262.16 = 1,316.33/x
  3. Step 3: Cross multiply
    3,509.14x = 5,262.16 × 1,316.33
  4. Step 4: Simplify right side
    3,509.14x = 6,926,739.07
  5. Step 5: Solve for x
    x = 6,926,739.07/3,509.14
  6. Step 6: Final answer
    x = 1,973.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.