Home / 7,319.48-10,979.67-2,936.37

Finding the Fourth Proportional to 7,319.48, 10,979.67 and 2,936.37

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Solution

The fourth proportional to 7,319.48, 10,979.67 and 2,936.37 is: 4,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.48 : 10,979.67 = 2,936.37 : x
  2. Step 2: Convert to fraction form
    7,319.48/10,979.67 = 2,936.37/x
  3. Step 3: Cross multiply
    7,319.48x = 10,979.67 × 2,936.37
  4. Step 4: Simplify right side
    7,319.48x = 32,240,373.60
  5. Step 5: Solve for x
    x = 32,240,373.60/7,319.48
  6. Step 6: Final answer
    x = 4,404.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.