Home / 3,110.50-4,292.58-1,713.34

Finding the Fourth Proportional to 3,110.50, 4,292.58 and 1,713.34

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Solution

The fourth proportional to 3,110.50, 4,292.58 and 1,713.34 is: 2,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.50 : 4,292.58 = 1,713.34 : x
  2. Step 2: Convert to fraction form
    3,110.50/4,292.58 = 1,713.34/x
  3. Step 3: Cross multiply
    3,110.50x = 4,292.58 × 1,713.34
  4. Step 4: Simplify right side
    3,110.50x = 7,354,649.02
  5. Step 5: Solve for x
    x = 7,354,649.02/3,110.50
  6. Step 6: Final answer
    x = 2,364.46

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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.