Home / 2,915.88-4,025.43-2,267.67

Finding the Fourth Proportional to 2,915.88, 4,025.43 and 2,267.67

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Solution

The fourth proportional to 2,915.88, 4,025.43 and 2,267.67 is: 3,130.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.88 : 4,025.43 = 2,267.67 : x
  2. Step 2: Convert to fraction form
    2,915.88/4,025.43 = 2,267.67/x
  3. Step 3: Cross multiply
    2,915.88x = 4,025.43 × 2,267.67
  4. Step 4: Simplify right side
    2,915.88x = 9,128,346.85
  5. Step 5: Solve for x
    x = 9,128,346.85/2,915.88
  6. Step 6: Final answer
    x = 3,130.56

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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.