Home / 1,926.66-2,890.16-540.01

Finding the Fourth Proportional to 1,926.66, 2,890.16 and 540.01

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Solution

The fourth proportional to 1,926.66, 2,890.16 and 540.01 is: 810.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.66 : 2,890.16 = 540.01 : x
  2. Step 2: Convert to fraction form
    1,926.66/2,890.16 = 540.01/x
  3. Step 3: Cross multiply
    1,926.66x = 2,890.16 × 540.01
  4. Step 4: Simplify right side
    1,926.66x = 1,560,715.30
  5. Step 5: Solve for x
    x = 1,560,715.30/1,926.66
  6. Step 6: Final answer
    x = 810.06

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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.