Home / 3,012.50-4,157.73-1,770.26

Finding the Fourth Proportional to 3,012.50, 4,157.73 and 1,770.26

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Solution

The fourth proportional to 3,012.50, 4,157.73 and 1,770.26 is: 2,443.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012.50 : 4,157.73 = 1,770.26 : x
  2. Step 2: Convert to fraction form
    3,012.50/4,157.73 = 1,770.26/x
  3. Step 3: Cross multiply
    3,012.50x = 4,157.73 × 1,770.26
  4. Step 4: Simplify right side
    3,012.50x = 7,360,263.11
  5. Step 5: Solve for x
    x = 7,360,263.11/3,012.50
  6. Step 6: Final answer
    x = 2,443.24

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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.