Home / 1,793.19-2,686.59-914.70

Finding the Fourth Proportional to 1,793.19, 2,686.59 and 914.70

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Solution

The fourth proportional to 1,793.19, 2,686.59 and 914.70 is: 1,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.19 : 2,686.59 = 914.70 : x
  2. Step 2: Convert to fraction form
    1,793.19/2,686.59 = 914.70/x
  3. Step 3: Cross multiply
    1,793.19x = 2,686.59 × 914.70
  4. Step 4: Simplify right side
    1,793.19x = 2,457,423.87
  5. Step 5: Solve for x
    x = 2,457,423.87/1,793.19
  6. Step 6: Final answer
    x = 1,370.42

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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.