Home / 3,681.83-5,519.64-1,492.10

Finding the Fourth Proportional to 3,681.83, 5,519.64 and 1,492.10

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Solution

The fourth proportional to 3,681.83, 5,519.64 and 1,492.10 is: 2,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.83 : 5,519.64 = 1,492.10 : x
  2. Step 2: Convert to fraction form
    3,681.83/5,519.64 = 1,492.10/x
  3. Step 3: Cross multiply
    3,681.83x = 5,519.64 × 1,492.10
  4. Step 4: Simplify right side
    3,681.83x = 8,235,838.02
  5. Step 5: Solve for x
    x = 8,235,838.02/3,681.83
  6. Step 6: Final answer
    x = 2,236.89

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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.