Home / 3,034.85-4,188.16-1,708.55

Finding the Fourth Proportional to 3,034.85, 4,188.16 and 1,708.55

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Solution

The fourth proportional to 3,034.85, 4,188.16 and 1,708.55 is: 2,357.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.85 : 4,188.16 = 1,708.55 : x
  2. Step 2: Convert to fraction form
    3,034.85/4,188.16 = 1,708.55/x
  3. Step 3: Cross multiply
    3,034.85x = 4,188.16 × 1,708.55
  4. Step 4: Simplify right side
    3,034.85x = 7,155,680.77
  5. Step 5: Solve for x
    x = 7,155,680.77/3,034.85
  6. Step 6: Final answer
    x = 2,357.84

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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.