Home / 4,219.98-5,823.81-2,894.28

Finding the Fourth Proportional to 4,219.98, 5,823.81 and 2,894.28

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Solution

The fourth proportional to 4,219.98, 5,823.81 and 2,894.28 is: 3,994.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.98 : 5,823.81 = 2,894.28 : x
  2. Step 2: Convert to fraction form
    4,219.98/5,823.81 = 2,894.28/x
  3. Step 3: Cross multiply
    4,219.98x = 5,823.81 × 2,894.28
  4. Step 4: Simplify right side
    4,219.98x = 16,855,736.81
  5. Step 5: Solve for x
    x = 16,855,736.81/4,219.98
  6. Step 6: Final answer
    x = 3,994.27

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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.