Home / 7,190.36-9,923.68-4,358.86

Finding the Fourth Proportional to 7,190.36, 9,923.68 and 4,358.86

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Solution

The fourth proportional to 7,190.36, 9,923.68 and 4,358.86 is: 6,015.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.36 : 9,923.68 = 4,358.86 : x
  2. Step 2: Convert to fraction form
    7,190.36/9,923.68 = 4,358.86/x
  3. Step 3: Cross multiply
    7,190.36x = 9,923.68 × 4,358.86
  4. Step 4: Simplify right side
    7,190.36x = 43,255,931.80
  5. Step 5: Solve for x
    x = 43,255,931.80/7,190.36
  6. Step 6: Final answer
    x = 6,015.82

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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.