Home / 2,409.95-3,325.56-1,362.08

Finding the Fourth Proportional to 2,409.95, 3,325.56 and 1,362.08

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Solution

The fourth proportional to 2,409.95, 3,325.56 and 1,362.08 is: 1,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.95 : 3,325.56 = 1,362.08 : x
  2. Step 2: Convert to fraction form
    2,409.95/3,325.56 = 1,362.08/x
  3. Step 3: Cross multiply
    2,409.95x = 3,325.56 × 1,362.08
  4. Step 4: Simplify right side
    2,409.95x = 4,529,662.14
  5. Step 5: Solve for x
    x = 4,529,662.14/2,409.95
  6. Step 6: Final answer
    x = 1,879.57

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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.