Home / 1,362.06-1,881.36-1,184.67

Finding the Fourth Proportional to 1,362.06, 1,881.36 and 1,184.67

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Solution

The fourth proportional to 1,362.06, 1,881.36 and 1,184.67 is: 1,636.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.06 : 1,881.36 = 1,184.67 : x
  2. Step 2: Convert to fraction form
    1,362.06/1,881.36 = 1,184.67/x
  3. Step 3: Cross multiply
    1,362.06x = 1,881.36 × 1,184.67
  4. Step 4: Simplify right side
    1,362.06x = 2,228,790.75
  5. Step 5: Solve for x
    x = 2,228,790.75/1,362.06
  6. Step 6: Final answer
    x = 1,636.34

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Double scale
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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.