Home / 1,195.04-1,650.48-1,178.84

Finding the Fourth Proportional to 1,195.04, 1,650.48 and 1,178.84

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Solution

The fourth proportional to 1,195.04, 1,650.48 and 1,178.84 is: 1,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195.04 : 1,650.48 = 1,178.84 : x
  2. Step 2: Convert to fraction form
    1,195.04/1,650.48 = 1,178.84/x
  3. Step 3: Cross multiply
    1,195.04x = 1,650.48 × 1,178.84
  4. Step 4: Simplify right side
    1,195.04x = 1,945,651.84
  5. Step 5: Solve for x
    x = 1,945,651.84/1,195.04
  6. Step 6: Final answer
    x = 1,628.11

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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.