Home / 2,088.37-2,881.85-1,249.53

Finding the Fourth Proportional to 2,088.37, 2,881.85 and 1,249.53

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Solution

The fourth proportional to 2,088.37, 2,881.85 and 1,249.53 is: 1,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.37 : 2,881.85 = 1,249.53 : x
  2. Step 2: Convert to fraction form
    2,088.37/2,881.85 = 1,249.53/x
  3. Step 3: Cross multiply
    2,088.37x = 2,881.85 × 1,249.53
  4. Step 4: Simplify right side
    2,088.37x = 3,600,961.15
  5. Step 5: Solve for x
    x = 3,600,961.15/2,088.37
  6. Step 6: Final answer
    x = 1,724.29

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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.