Home / 4,315.14-6,468.36-1,681.00

Finding the Fourth Proportional to 4,315.14, 6,468.36 and 1,681.00

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Solution

The fourth proportional to 4,315.14, 6,468.36 and 1,681.00 is: 2,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.14 : 6,468.36 = 1,681.00 : x
  2. Step 2: Convert to fraction form
    4,315.14/6,468.36 = 1,681.00/x
  3. Step 3: Cross multiply
    4,315.14x = 6,468.36 × 1,681.00
  4. Step 4: Simplify right side
    4,315.14x = 10,873,290.69
  5. Step 5: Solve for x
    x = 10,873,290.69/4,315.14
  6. Step 6: Final answer
    x = 2,519.80

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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.