Home / 2,492.88-3,415.26-2,399.46

Finding the Fourth Proportional to 2,492.88, 3,415.26 and 2,399.46

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Solution

The fourth proportional to 2,492.88, 3,415.26 and 2,399.46 is: 3,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,492.88 : 3,415.26 = 2,399.46 : x
  2. Step 2: Convert to fraction form
    2,492.88/3,415.26 = 2,399.46/x
  3. Step 3: Cross multiply
    2,492.88x = 3,415.26 × 2,399.46
  4. Step 4: Simplify right side
    2,492.88x = 8,194,779.76
  5. Step 5: Solve for x
    x = 8,194,779.76/2,492.88
  6. Step 6: Final answer
    x = 3,287.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.