Home / 2,926.04-4,035.04-1,918.06

Finding the Fourth Proportional to 2,926.04, 4,035.04 and 1,918.06

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Solution

The fourth proportional to 2,926.04, 4,035.04 and 1,918.06 is: 2,645.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.04 : 4,035.04 = 1,918.06 : x
  2. Step 2: Convert to fraction form
    2,926.04/4,035.04 = 1,918.06/x
  3. Step 3: Cross multiply
    2,926.04x = 4,035.04 × 1,918.06
  4. Step 4: Simplify right side
    2,926.04x = 7,739,448.82
  5. Step 5: Solve for x
    x = 7,739,448.82/2,926.04
  6. Step 6: Final answer
    x = 2,645.02

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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.