Home / 3,186.63-4,397.54-1,770.53

Finding the Fourth Proportional to 3,186.63, 4,397.54 and 1,770.53

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Solution

The fourth proportional to 3,186.63, 4,397.54 and 1,770.53 is: 2,443.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.63 : 4,397.54 = 1,770.53 : x
  2. Step 2: Convert to fraction form
    3,186.63/4,397.54 = 1,770.53/x
  3. Step 3: Cross multiply
    3,186.63x = 4,397.54 × 1,770.53
  4. Step 4: Simplify right side
    3,186.63x = 7,785,945.66
  5. Step 5: Solve for x
    x = 7,785,945.66/3,186.63
  6. Step 6: Final answer
    x = 2,443.32

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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.