Home / 1,895.27-2,617.13-1,188.33

Finding the Fourth Proportional to 1,895.27, 2,617.13 and 1,188.33

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Solution

The fourth proportional to 1,895.27, 2,617.13 and 1,188.33 is: 1,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.27 : 2,617.13 = 1,188.33 : x
  2. Step 2: Convert to fraction form
    1,895.27/2,617.13 = 1,188.33/x
  3. Step 3: Cross multiply
    1,895.27x = 2,617.13 × 1,188.33
  4. Step 4: Simplify right side
    1,895.27x = 3,110,008.15
  5. Step 5: Solve for x
    x = 3,110,008.15/1,895.27
  6. Step 6: Final answer
    x = 1,640.93

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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.