Home / 2,184.76-3,015.26-1,400.46

Finding the Fourth Proportional to 2,184.76, 3,015.26 and 1,400.46

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Solution

The fourth proportional to 2,184.76, 3,015.26 and 1,400.46 is: 1,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.76 : 3,015.26 = 1,400.46 : x
  2. Step 2: Convert to fraction form
    2,184.76/3,015.26 = 1,400.46/x
  3. Step 3: Cross multiply
    2,184.76x = 3,015.26 × 1,400.46
  4. Step 4: Simplify right side
    2,184.76x = 4,222,751.02
  5. Step 5: Solve for x
    x = 4,222,751.02/2,184.76
  6. Step 6: Final answer
    x = 1,932.82

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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.