Home / 2,405.43-3,318.57-1,410.35

Finding the Fourth Proportional to 2,405.43, 3,318.57 and 1,410.35

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Solution

The fourth proportional to 2,405.43, 3,318.57 and 1,410.35 is: 1,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.43 : 3,318.57 = 1,410.35 : x
  2. Step 2: Convert to fraction form
    2,405.43/3,318.57 = 1,410.35/x
  3. Step 3: Cross multiply
    2,405.43x = 3,318.57 × 1,410.35
  4. Step 4: Simplify right side
    2,405.43x = 4,680,328.61
  5. Step 5: Solve for x
    x = 4,680,328.61/2,405.43
  6. Step 6: Final answer
    x = 1,945.73

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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.