Home / 6,759.90-10,140.39-2,378.34

Finding the Fourth Proportional to 6,759.90, 10,140.39 and 2,378.34

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Solution

The fourth proportional to 6,759.90, 10,140.39 and 2,378.34 is: 3,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.90 : 10,140.39 = 2,378.34 : x
  2. Step 2: Convert to fraction form
    6,759.90/10,140.39 = 2,378.34/x
  3. Step 3: Cross multiply
    6,759.90x = 10,140.39 × 2,378.34
  4. Step 4: Simplify right side
    6,759.90x = 24,117,295.15
  5. Step 5: Solve for x
    x = 24,117,295.15/6,759.90
  6. Step 6: Final answer
    x = 3,567.70

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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.