Home / 6,317.97-8,708.34-5,788.54

Finding the Fourth Proportional to 6,317.97, 8,708.34 and 5,788.54

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Solution

The fourth proportional to 6,317.97, 8,708.34 and 5,788.54 is: 7,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.97 : 8,708.34 = 5,788.54 : x
  2. Step 2: Convert to fraction form
    6,317.97/8,708.34 = 5,788.54/x
  3. Step 3: Cross multiply
    6,317.97x = 8,708.34 × 5,788.54
  4. Step 4: Simplify right side
    6,317.97x = 50,408,574.42
  5. Step 5: Solve for x
    x = 50,408,574.42/6,317.97
  6. Step 6: Final answer
    x = 7,978.60

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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.