Home / 3,351.60-4,624.68-1,915.94

Finding the Fourth Proportional to 3,351.60, 4,624.68 and 1,915.94

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Solution

The fourth proportional to 3,351.60, 4,624.68 and 1,915.94 is: 2,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.60 : 4,624.68 = 1,915.94 : x
  2. Step 2: Convert to fraction form
    3,351.60/4,624.68 = 1,915.94/x
  3. Step 3: Cross multiply
    3,351.60x = 4,624.68 × 1,915.94
  4. Step 4: Simplify right side
    3,351.60x = 8,860,597.84
  5. Step 5: Solve for x
    x = 8,860,597.84/3,351.60
  6. Step 6: Final answer
    x = 2,643.70

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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.