Home / 1,161.39-1,748.42-1,059.33

Finding the Fourth Proportional to 1,161.39, 1,748.42 and 1,059.33

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Solution

The fourth proportional to 1,161.39, 1,748.42 and 1,059.33 is: 1,594.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161.39 : 1,748.42 = 1,059.33 : x
  2. Step 2: Convert to fraction form
    1,161.39/1,748.42 = 1,059.33/x
  3. Step 3: Cross multiply
    1,161.39x = 1,748.42 × 1,059.33
  4. Step 4: Simplify right side
    1,161.39x = 1,852,153.76
  5. Step 5: Solve for x
    x = 1,852,153.76/1,161.39
  6. Step 6: Final answer
    x = 1,594.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.