Home / 1,516.56-2,090.04-1,073.76

Finding the Fourth Proportional to 1,516.56, 2,090.04 and 1,073.76

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Solution

The fourth proportional to 1,516.56, 2,090.04 and 1,073.76 is: 1,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.56 : 2,090.04 = 1,073.76 : x
  2. Step 2: Convert to fraction form
    1,516.56/2,090.04 = 1,073.76/x
  3. Step 3: Cross multiply
    1,516.56x = 2,090.04 × 1,073.76
  4. Step 4: Simplify right side
    1,516.56x = 2,244,201.35
  5. Step 5: Solve for x
    x = 2,244,201.35/1,516.56
  6. Step 6: Final answer
    x = 1,479.80

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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.