Home / 1,935.41-2,670.03-1,236.38

Finding the Fourth Proportional to 1,935.41, 2,670.03 and 1,236.38

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Solution

The fourth proportional to 1,935.41, 2,670.03 and 1,236.38 is: 1,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935.41 : 2,670.03 = 1,236.38 : x
  2. Step 2: Convert to fraction form
    1,935.41/2,670.03 = 1,236.38/x
  3. Step 3: Cross multiply
    1,935.41x = 2,670.03 × 1,236.38
  4. Step 4: Simplify right side
    1,935.41x = 3,301,158.34
  5. Step 5: Solve for x
    x = 3,301,158.34/1,935.41
  6. Step 6: Final answer
    x = 1,705.67

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Half scale
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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.