Home / 3,581.77-4,943.46-2,254.45

Finding the Fourth Proportional to 3,581.77, 4,943.46 and 2,254.45

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Solution

The fourth proportional to 3,581.77, 4,943.46 and 2,254.45 is: 3,111.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.77 : 4,943.46 = 2,254.45 : x
  2. Step 2: Convert to fraction form
    3,581.77/4,943.46 = 2,254.45/x
  3. Step 3: Cross multiply
    3,581.77x = 4,943.46 × 2,254.45
  4. Step 4: Simplify right side
    3,581.77x = 11,144,783.40
  5. Step 5: Solve for x
    x = 11,144,783.40/3,581.77
  6. Step 6: Final answer
    x = 3,111.53

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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.