Home / 2,439.22-3,653.36-2,357.21

Finding the Fourth Proportional to 2,439.22, 3,653.36 and 2,357.21

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Solution

The fourth proportional to 2,439.22, 3,653.36 and 2,357.21 is: 3,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.22 : 3,653.36 = 2,357.21 : x
  2. Step 2: Convert to fraction form
    2,439.22/3,653.36 = 2,357.21/x
  3. Step 3: Cross multiply
    2,439.22x = 3,653.36 × 2,357.21
  4. Step 4: Simplify right side
    2,439.22x = 8,611,706.67
  5. Step 5: Solve for x
    x = 8,611,706.67/2,439.22
  6. Step 6: Final answer
    x = 3,530.52

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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.