Home / 2,718.65-4,077.98-1,074.35

Finding the Fourth Proportional to 2,718.65, 4,077.98 and 1,074.35

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Solution

The fourth proportional to 2,718.65, 4,077.98 and 1,074.35 is: 1,611.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.65 : 4,077.98 = 1,074.35 : x
  2. Step 2: Convert to fraction form
    2,718.65/4,077.98 = 1,074.35/x
  3. Step 3: Cross multiply
    2,718.65x = 4,077.98 × 1,074.35
  4. Step 4: Simplify right side
    2,718.65x = 4,381,152.05
  5. Step 5: Solve for x
    x = 4,381,152.05/2,718.65
  6. Step 6: Final answer
    x = 1,611.52

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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.