Home / 6,515.94-9,771.90-2,355.45

Finding the Fourth Proportional to 6,515.94, 9,771.90 and 2,355.45

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Solution

The fourth proportional to 6,515.94, 9,771.90 and 2,355.45 is: 3,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.94 : 9,771.90 = 2,355.45 : x
  2. Step 2: Convert to fraction form
    6,515.94/9,771.90 = 2,355.45/x
  3. Step 3: Cross multiply
    6,515.94x = 9,771.90 × 2,355.45
  4. Step 4: Simplify right side
    6,515.94x = 23,017,221.86
  5. Step 5: Solve for x
    x = 23,017,221.86/6,515.94
  6. Step 6: Final answer
    x = 3,532.45

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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.