Home / 2,088.09-2,881.58-1,203.93

Finding the Fourth Proportional to 2,088.09, 2,881.58 and 1,203.93

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Solution

The fourth proportional to 2,088.09, 2,881.58 and 1,203.93 is: 1,661.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.09 : 2,881.58 = 1,203.93 : x
  2. Step 2: Convert to fraction form
    2,088.09/2,881.58 = 1,203.93/x
  3. Step 3: Cross multiply
    2,088.09x = 2,881.58 × 1,203.93
  4. Step 4: Simplify right side
    2,088.09x = 3,469,214.59
  5. Step 5: Solve for x
    x = 3,469,214.59/2,088.09
  6. Step 6: Final answer
    x = 1,661.43

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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.