Home / 6,952.29-10,428.35-1,687.34

Finding the Fourth Proportional to 6,952.29, 10,428.35 and 1,687.34

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Solution

The fourth proportional to 6,952.29, 10,428.35 and 1,687.34 is: 2,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,952.29 : 10,428.35 = 1,687.34 : x
  2. Step 2: Convert to fraction form
    6,952.29/10,428.35 = 1,687.34/x
  3. Step 3: Cross multiply
    6,952.29x = 10,428.35 × 1,687.34
  4. Step 4: Simplify right side
    6,952.29x = 17,596,206.98
  5. Step 5: Solve for x
    x = 17,596,206.98/6,952.29
  6. Step 6: Final answer
    x = 2,530.99

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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.