Home / 1,529.17-2,110.35-866.05

Finding the Fourth Proportional to 1,529.17, 2,110.35 and 866.05

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Solution

The fourth proportional to 1,529.17, 2,110.35 and 866.05 is: 1,195.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.17 : 2,110.35 = 866.05 : x
  2. Step 2: Convert to fraction form
    1,529.17/2,110.35 = 866.05/x
  3. Step 3: Cross multiply
    1,529.17x = 2,110.35 × 866.05
  4. Step 4: Simplify right side
    1,529.17x = 1,827,668.62
  5. Step 5: Solve for x
    x = 1,827,668.62/1,529.17
  6. Step 6: Final answer
    x = 1,195.20

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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.