Home / 4,118.65-5,682.84-2,440.57

Finding the Fourth Proportional to 4,118.65, 5,682.84 and 2,440.57

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Solution

The fourth proportional to 4,118.65, 5,682.84 and 2,440.57 is: 3,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.65 : 5,682.84 = 2,440.57 : x
  2. Step 2: Convert to fraction form
    4,118.65/5,682.84 = 2,440.57/x
  3. Step 3: Cross multiply
    4,118.65x = 5,682.84 × 2,440.57
  4. Step 4: Simplify right side
    4,118.65x = 13,869,368.82
  5. Step 5: Solve for x
    x = 13,869,368.82/4,118.65
  6. Step 6: Final answer
    x = 3,367.46

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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.