Home / 5,719.16-8,573.81-2,211.63

Finding the Fourth Proportional to 5,719.16, 8,573.81 and 2,211.63

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Solution

The fourth proportional to 5,719.16, 8,573.81 and 2,211.63 is: 3,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.16 : 8,573.81 = 2,211.63 : x
  2. Step 2: Convert to fraction form
    5,719.16/8,573.81 = 2,211.63/x
  3. Step 3: Cross multiply
    5,719.16x = 8,573.81 × 2,211.63
  4. Step 4: Simplify right side
    5,719.16x = 18,962,095.41
  5. Step 5: Solve for x
    x = 18,962,095.41/5,719.16
  6. Step 6: Final answer
    x = 3,315.54

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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.