Home / 1,934.79-2,673.86-1,865.67

Finding the Fourth Proportional to 1,934.79, 2,673.86 and 1,865.67

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Solution

The fourth proportional to 1,934.79, 2,673.86 and 1,865.67 is: 2,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.79 : 2,673.86 = 1,865.67 : x
  2. Step 2: Convert to fraction form
    1,934.79/2,673.86 = 1,865.67/x
  3. Step 3: Cross multiply
    1,934.79x = 2,673.86 × 1,865.67
  4. Step 4: Simplify right side
    1,934.79x = 4,988,531.06
  5. Step 5: Solve for x
    x = 4,988,531.06/1,934.79
  6. Step 6: Final answer
    x = 2,578.33

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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.