Home / 3,090.85-4,633.50-1,116.01

Finding the Fourth Proportional to 3,090.85, 4,633.50 and 1,116.01

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Solution

The fourth proportional to 3,090.85, 4,633.50 and 1,116.01 is: 1,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.85 : 4,633.50 = 1,116.01 : x
  2. Step 2: Convert to fraction form
    3,090.85/4,633.50 = 1,116.01/x
  3. Step 3: Cross multiply
    3,090.85x = 4,633.50 × 1,116.01
  4. Step 4: Simplify right side
    3,090.85x = 5,171,032.34
  5. Step 5: Solve for x
    x = 5,171,032.34/3,090.85
  6. Step 6: Final answer
    x = 1,673.01

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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.