Home / 3,792.15-5,684.45-1,814.13

Finding the Fourth Proportional to 3,792.15, 5,684.45 and 1,814.13

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Solution

The fourth proportional to 3,792.15, 5,684.45 and 1,814.13 is: 2,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.15 : 5,684.45 = 1,814.13 : x
  2. Step 2: Convert to fraction form
    3,792.15/5,684.45 = 1,814.13/x
  3. Step 3: Cross multiply
    3,792.15x = 5,684.45 × 1,814.13
  4. Step 4: Simplify right side
    3,792.15x = 10,312,322.21
  5. Step 5: Solve for x
    x = 10,312,322.21/3,792.15
  6. Step 6: Final answer
    x = 2,719.39

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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.