Home / 2,926.04-4,386.90-1,076.20

Finding the Fourth Proportional to 2,926.04, 4,386.90 and 1,076.20

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Solution

The fourth proportional to 2,926.04, 4,386.90 and 1,076.20 is: 1,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.04 : 4,386.90 = 1,076.20 : x
  2. Step 2: Convert to fraction form
    2,926.04/4,386.90 = 1,076.20/x
  3. Step 3: Cross multiply
    2,926.04x = 4,386.90 × 1,076.20
  4. Step 4: Simplify right side
    2,926.04x = 4,721,181.78
  5. Step 5: Solve for x
    x = 4,721,181.78/2,926.04
  6. Step 6: Final answer
    x = 1,613.51

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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.