Home / 2,511.99-3,466.56-1,392.95

Finding the Fourth Proportional to 2,511.99, 3,466.56 and 1,392.95

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Solution

The fourth proportional to 2,511.99, 3,466.56 and 1,392.95 is: 1,922.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.99 : 3,466.56 = 1,392.95 : x
  2. Step 2: Convert to fraction form
    2,511.99/3,466.56 = 1,392.95/x
  3. Step 3: Cross multiply
    2,511.99x = 3,466.56 × 1,392.95
  4. Step 4: Simplify right side
    2,511.99x = 4,828,727.42
  5. Step 5: Solve for x
    x = 4,828,727.42/2,511.99
  6. Step 6: Final answer
    x = 1,922.27

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1.5x scale

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.