Home / 3,104.65-4,284.42-1,707.40

Finding the Fourth Proportional to 3,104.65, 4,284.42 and 1,707.40

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Solution

The fourth proportional to 3,104.65, 4,284.42 and 1,707.40 is: 2,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.65 : 4,284.42 = 1,707.40 : x
  2. Step 2: Convert to fraction form
    3,104.65/4,284.42 = 1,707.40/x
  3. Step 3: Cross multiply
    3,104.65x = 4,284.42 × 1,707.40
  4. Step 4: Simplify right side
    3,104.65x = 7,315,217.66
  5. Step 5: Solve for x
    x = 7,315,217.66/3,104.65
  6. Step 6: Final answer
    x = 2,356.21

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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.