Home / 4,090.55-6,137.64-1,492.88

Finding the Fourth Proportional to 4,090.55, 6,137.64 and 1,492.88

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Solution

The fourth proportional to 4,090.55, 6,137.64 and 1,492.88 is: 2,239.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.55 : 6,137.64 = 1,492.88 : x
  2. Step 2: Convert to fraction form
    4,090.55/6,137.64 = 1,492.88/x
  3. Step 3: Cross multiply
    4,090.55x = 6,137.64 × 1,492.88
  4. Step 4: Simplify right side
    4,090.55x = 9,162,729.32
  5. Step 5: Solve for x
    x = 9,162,729.32/4,090.55
  6. Step 6: Final answer
    x = 2,239.98

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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.