Home / 5,828.40-8,042.83-3,470.09

Finding the Fourth Proportional to 5,828.40, 8,042.83 and 3,470.09

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Solution

The fourth proportional to 5,828.40, 8,042.83 and 3,470.09 is: 4,788.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,828.40 : 8,042.83 = 3,470.09 : x
  2. Step 2: Convert to fraction form
    5,828.40/8,042.83 = 3,470.09/x
  3. Step 3: Cross multiply
    5,828.40x = 8,042.83 × 3,470.09
  4. Step 4: Simplify right side
    5,828.40x = 27,909,295.07
  5. Step 5: Solve for x
    x = 27,909,295.07/5,828.40
  6. Step 6: Final answer
    x = 4,788.50

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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.