Home / 3,043.70-4,200.30-1,717.68

Finding the Fourth Proportional to 3,043.70, 4,200.30 and 1,717.68

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Solution

The fourth proportional to 3,043.70, 4,200.30 and 1,717.68 is: 2,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.70 : 4,200.30 = 1,717.68 : x
  2. Step 2: Convert to fraction form
    3,043.70/4,200.30 = 1,717.68/x
  3. Step 3: Cross multiply
    3,043.70x = 4,200.30 × 1,717.68
  4. Step 4: Simplify right side
    3,043.70x = 7,214,771.30
  5. Step 5: Solve for x
    x = 7,214,771.30/3,043.70
  6. Step 6: Final answer
    x = 2,370.40

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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.