Home / 2,471.36-3,409.32-1,586.84

Finding the Fourth Proportional to 2,471.36, 3,409.32 and 1,586.84

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Solution

The fourth proportional to 2,471.36, 3,409.32 and 1,586.84 is: 2,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.36 : 3,409.32 = 1,586.84 : x
  2. Step 2: Convert to fraction form
    2,471.36/3,409.32 = 1,586.84/x
  3. Step 3: Cross multiply
    2,471.36x = 3,409.32 × 1,586.84
  4. Step 4: Simplify right side
    2,471.36x = 5,410,045.35
  5. Step 5: Solve for x
    x = 5,410,045.35/2,471.36
  6. Step 6: Final answer
    x = 2,189.10

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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.