Home / 3,663.17-5,055.13-1,984.53

Finding the Fourth Proportional to 3,663.17, 5,055.13 and 1,984.53

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Solution

The fourth proportional to 3,663.17, 5,055.13 and 1,984.53 is: 2,738.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.17 : 5,055.13 = 1,984.53 : x
  2. Step 2: Convert to fraction form
    3,663.17/5,055.13 = 1,984.53/x
  3. Step 3: Cross multiply
    3,663.17x = 5,055.13 × 1,984.53
  4. Step 4: Simplify right side
    3,663.17x = 10,032,052.18
  5. Step 5: Solve for x
    x = 10,032,052.18/3,663.17
  6. Step 6: Final answer
    x = 2,738.63

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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.