Home / 5,194.21-7,792.38-1,907.34

Finding the Fourth Proportional to 5,194.21, 7,792.38 and 1,907.34

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Solution

The fourth proportional to 5,194.21, 7,792.38 and 1,907.34 is: 2,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.21 : 7,792.38 = 1,907.34 : x
  2. Step 2: Convert to fraction form
    5,194.21/7,792.38 = 1,907.34/x
  3. Step 3: Cross multiply
    5,194.21x = 7,792.38 × 1,907.34
  4. Step 4: Simplify right side
    5,194.21x = 14,862,718.07
  5. Step 5: Solve for x
    x = 14,862,718.07/5,194.21
  6. Step 6: Final answer
    x = 2,861.40

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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.