Home / 2,974.95-4,456.35-1,410.21

Finding the Fourth Proportional to 2,974.95, 4,456.35 and 1,410.21

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Solution

The fourth proportional to 2,974.95, 4,456.35 and 1,410.21 is: 2,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.95 : 4,456.35 = 1,410.21 : x
  2. Step 2: Convert to fraction form
    2,974.95/4,456.35 = 1,410.21/x
  3. Step 3: Cross multiply
    2,974.95x = 4,456.35 × 1,410.21
  4. Step 4: Simplify right side
    2,974.95x = 6,284,389.33
  5. Step 5: Solve for x
    x = 6,284,389.33/2,974.95
  6. Step 6: Final answer
    x = 2,112.44

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1.5x scale

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.