Home / 4,922.64-6,792.54-2,798.40

Finding the Fourth Proportional to 4,922.64, 6,792.54 and 2,798.40

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Solution

The fourth proportional to 4,922.64, 6,792.54 and 2,798.40 is: 3,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,922.64 : 6,792.54 = 2,798.40 : x
  2. Step 2: Convert to fraction form
    4,922.64/6,792.54 = 2,798.40/x
  3. Step 3: Cross multiply
    4,922.64x = 6,792.54 × 2,798.40
  4. Step 4: Simplify right side
    4,922.64x = 19,008,243.94
  5. Step 5: Solve for x
    x = 19,008,243.94/4,922.64
  6. Step 6: Final answer
    x = 3,861.39

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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.