Home / 3,034.95-4,188.80-1,708.65

Finding the Fourth Proportional to 3,034.95, 4,188.80 and 1,708.65

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Solution

The fourth proportional to 3,034.95, 4,188.80 and 1,708.65 is: 2,358.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,034.95 : 4,188.80 = 1,708.65 : x
  2. Step 2: Convert to fraction form
    3,034.95/4,188.80 = 1,708.65/x
  3. Step 3: Cross multiply
    3,034.95x = 4,188.80 × 1,708.65
  4. Step 4: Simplify right side
    3,034.95x = 7,157,197.39
  5. Step 5: Solve for x
    x = 7,157,197.39/3,034.95
  6. Step 6: Final answer
    x = 2,358.26

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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.