Home / 1,933.51-2,896.16-1,309.19

Finding the Fourth Proportional to 1,933.51, 2,896.16 and 1,309.19

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Solution

The fourth proportional to 1,933.51, 2,896.16 and 1,309.19 is: 1,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.51 : 2,896.16 = 1,309.19 : x
  2. Step 2: Convert to fraction form
    1,933.51/2,896.16 = 1,309.19/x
  3. Step 3: Cross multiply
    1,933.51x = 2,896.16 × 1,309.19
  4. Step 4: Simplify right side
    1,933.51x = 3,791,623.71
  5. Step 5: Solve for x
    x = 3,791,623.71/1,933.51
  6. Step 6: Final answer
    x = 1,961.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.