Home / 1,461.18-2,189.32-1,027.56

Finding the Fourth Proportional to 1,461.18, 2,189.32 and 1,027.56

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Solution

The fourth proportional to 1,461.18, 2,189.32 and 1,027.56 is: 1,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.18 : 2,189.32 = 1,027.56 : x
  2. Step 2: Convert to fraction form
    1,461.18/2,189.32 = 1,027.56/x
  3. Step 3: Cross multiply
    1,461.18x = 2,189.32 × 1,027.56
  4. Step 4: Simplify right side
    1,461.18x = 2,249,657.66
  5. Step 5: Solve for x
    x = 2,249,657.66/1,461.18
  6. Step 6: Final answer
    x = 1,539.62

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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.