Home / 3,995.49-5,512.93-2,423.28

Finding the Fourth Proportional to 3,995.49, 5,512.93 and 2,423.28

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Solution

The fourth proportional to 3,995.49, 5,512.93 and 2,423.28 is: 3,343.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.49 : 5,512.93 = 2,423.28 : x
  2. Step 2: Convert to fraction form
    3,995.49/5,512.93 = 2,423.28/x
  3. Step 3: Cross multiply
    3,995.49x = 5,512.93 × 2,423.28
  4. Step 4: Simplify right side
    3,995.49x = 13,359,373.01
  5. Step 5: Solve for x
    x = 13,359,373.01/3,995.49
  6. Step 6: Final answer
    x = 3,343.61

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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.