Home / 2,110.18-2,912.23-1,400.77

Finding the Fourth Proportional to 2,110.18, 2,912.23 and 1,400.77

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Solution

The fourth proportional to 2,110.18, 2,912.23 and 1,400.77 is: 1,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.18 : 2,912.23 = 1,400.77 : x
  2. Step 2: Convert to fraction form
    2,110.18/2,912.23 = 1,400.77/x
  3. Step 3: Cross multiply
    2,110.18x = 2,912.23 × 1,400.77
  4. Step 4: Simplify right side
    2,110.18x = 4,079,364.42
  5. Step 5: Solve for x
    x = 4,079,364.42/2,110.18
  6. Step 6: Final answer
    x = 1,933.18

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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.