Home / 5,915.50-8,874.75-2,217.74

Finding the Fourth Proportional to 5,915.50, 8,874.75 and 2,217.74

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Solution

The fourth proportional to 5,915.50, 8,874.75 and 2,217.74 is: 3,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.50 : 8,874.75 = 2,217.74 : x
  2. Step 2: Convert to fraction form
    5,915.50/8,874.75 = 2,217.74/x
  3. Step 3: Cross multiply
    5,915.50x = 8,874.75 × 2,217.74
  4. Step 4: Simplify right side
    5,915.50x = 19,681,888.07
  5. Step 5: Solve for x
    x = 19,681,888.07/5,915.50
  6. Step 6: Final answer
    x = 3,327.17

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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.