Home / 1,933.74-2,669.28-1,306.05

Finding the Fourth Proportional to 1,933.74, 2,669.28 and 1,306.05

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Solution

The fourth proportional to 1,933.74, 2,669.28 and 1,306.05 is: 1,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.74 : 2,669.28 = 1,306.05 : x
  2. Step 2: Convert to fraction form
    1,933.74/2,669.28 = 1,306.05/x
  3. Step 3: Cross multiply
    1,933.74x = 2,669.28 × 1,306.05
  4. Step 4: Simplify right side
    1,933.74x = 3,486,213.14
  5. Step 5: Solve for x
    x = 3,486,213.14/1,933.74
  6. Step 6: Final answer
    x = 1,802.83

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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.