Home / 7,295.21-10,940.53-3,135.05

Finding the Fourth Proportional to 7,295.21, 10,940.53 and 3,135.05

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Solution

The fourth proportional to 7,295.21, 10,940.53 and 3,135.05 is: 4,701.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.21 : 10,940.53 = 3,135.05 : x
  2. Step 2: Convert to fraction form
    7,295.21/10,940.53 = 3,135.05/x
  3. Step 3: Cross multiply
    7,295.21x = 10,940.53 × 3,135.05
  4. Step 4: Simplify right side
    7,295.21x = 34,299,108.58
  5. Step 5: Solve for x
    x = 34,299,108.58/7,295.21
  6. Step 6: Final answer
    x = 4,701.59

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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.