Home / 5,416.94-8,122.98-1,718.48

Finding the Fourth Proportional to 5,416.94, 8,122.98 and 1,718.48

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Solution

The fourth proportional to 5,416.94, 8,122.98 and 1,718.48 is: 2,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.94 : 8,122.98 = 1,718.48 : x
  2. Step 2: Convert to fraction form
    5,416.94/8,122.98 = 1,718.48/x
  3. Step 3: Cross multiply
    5,416.94x = 8,122.98 × 1,718.48
  4. Step 4: Simplify right side
    5,416.94x = 13,959,178.67
  5. Step 5: Solve for x
    x = 13,959,178.67/5,416.94
  6. Step 6: Final answer
    x = 2,576.95

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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.