Home / 1,346.22-2,018.11-935.55

Finding the Fourth Proportional to 1,346.22, 2,018.11 and 935.55

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Solution

The fourth proportional to 1,346.22, 2,018.11 and 935.55 is: 1,402.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.22 : 2,018.11 = 935.55 : x
  2. Step 2: Convert to fraction form
    1,346.22/2,018.11 = 935.55/x
  3. Step 3: Cross multiply
    1,346.22x = 2,018.11 × 935.55
  4. Step 4: Simplify right side
    1,346.22x = 1,888,042.81
  5. Step 5: Solve for x
    x = 1,888,042.81/1,346.22
  6. Step 6: Final answer
    x = 1,402.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.