Home / 7,670.19-10,585.38-5,778.44

Finding the Fourth Proportional to 7,670.19, 10,585.38 and 5,778.44

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Solution

The fourth proportional to 7,670.19, 10,585.38 and 5,778.44 is: 7,974.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,670.19 : 10,585.38 = 5,778.44 : x
  2. Step 2: Convert to fraction form
    7,670.19/10,585.38 = 5,778.44/x
  3. Step 3: Cross multiply
    7,670.19x = 10,585.38 × 5,778.44
  4. Step 4: Simplify right side
    7,670.19x = 61,166,991.64
  5. Step 5: Solve for x
    x = 61,166,991.64/7,670.19
  6. Step 6: Final answer
    x = 7,974.63

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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.