Home / 3,955.92-5,457.83-2,363.06

Finding the Fourth Proportional to 3,955.92, 5,457.83 and 2,363.06

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Solution

The fourth proportional to 3,955.92, 5,457.83 and 2,363.06 is: 3,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.92 : 5,457.83 = 2,363.06 : x
  2. Step 2: Convert to fraction form
    3,955.92/5,457.83 = 2,363.06/x
  3. Step 3: Cross multiply
    3,955.92x = 5,457.83 × 2,363.06
  4. Step 4: Simplify right side
    3,955.92x = 12,897,140.66
  5. Step 5: Solve for x
    x = 12,897,140.66/3,955.92
  6. Step 6: Final answer
    x = 3,260.21

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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.