Home / 1,518.18-2,094.33-927.69

Finding the Fourth Proportional to 1,518.18, 2,094.33 and 927.69

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Solution

The fourth proportional to 1,518.18, 2,094.33 and 927.69 is: 1,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.18 : 2,094.33 = 927.69 : x
  2. Step 2: Convert to fraction form
    1,518.18/2,094.33 = 927.69/x
  3. Step 3: Cross multiply
    1,518.18x = 2,094.33 × 927.69
  4. Step 4: Simplify right side
    1,518.18x = 1,942,889.00
  5. Step 5: Solve for x
    x = 1,942,889.00/1,518.18
  6. Step 6: Final answer
    x = 1,279.75

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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.