Home / 2,511.18-3,465.99-1,566.78

Finding the Fourth Proportional to 2,511.18, 3,465.99 and 1,566.78

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Solution

The fourth proportional to 2,511.18, 3,465.99 and 1,566.78 is: 2,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.18 : 3,465.99 = 1,566.78 : x
  2. Step 2: Convert to fraction form
    2,511.18/3,465.99 = 1,566.78/x
  3. Step 3: Cross multiply
    2,511.18x = 3,465.99 × 1,566.78
  4. Step 4: Simplify right side
    2,511.18x = 5,430,443.81
  5. Step 5: Solve for x
    x = 5,430,443.81/2,511.18
  6. Step 6: Final answer
    x = 2,162.51

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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.