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Finding the Fourth Proportional to 5,763.88, 7,948.83 and 4,275.51

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Solution

The fourth proportional to 5,763.88, 7,948.83 and 4,275.51 is: 5,896.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.88 : 7,948.83 = 4,275.51 : x
  2. Step 2: Convert to fraction form
    5,763.88/7,948.83 = 4,275.51/x
  3. Step 3: Cross multiply
    5,763.88x = 7,948.83 × 4,275.51
  4. Step 4: Simplify right side
    5,763.88x = 33,985,302.15
  5. Step 5: Solve for x
    x = 33,985,302.15/5,763.88
  6. Step 6: Final answer
    x = 5,896.25

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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.