Home / 7,828.31-10,802.97-4,291.52

Finding the Fourth Proportional to 7,828.31, 10,802.97 and 4,291.52

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Solution

The fourth proportional to 7,828.31, 10,802.97 and 4,291.52 is: 5,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.31 : 10,802.97 = 4,291.52 : x
  2. Step 2: Convert to fraction form
    7,828.31/10,802.97 = 4,291.52/x
  3. Step 3: Cross multiply
    7,828.31x = 10,802.97 × 4,291.52
  4. Step 4: Simplify right side
    7,828.31x = 46,361,107.80
  5. Step 5: Solve for x
    x = 46,361,107.80/7,828.31
  6. Step 6: Final answer
    x = 5,922.24

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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.