Home / 2,933.19-4,048.47-1,938.51

Finding the Fourth Proportional to 2,933.19, 4,048.47 and 1,938.51

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Solution

The fourth proportional to 2,933.19, 4,048.47 and 1,938.51 is: 2,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.19 : 4,048.47 = 1,938.51 : x
  2. Step 2: Convert to fraction form
    2,933.19/4,048.47 = 1,938.51/x
  3. Step 3: Cross multiply
    2,933.19x = 4,048.47 × 1,938.51
  4. Step 4: Simplify right side
    2,933.19x = 7,847,999.58
  5. Step 5: Solve for x
    x = 7,847,999.58/2,933.19
  6. Step 6: Final answer
    x = 2,675.59

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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.