Home / 3,210.55-4,430.58-1,794.29

Finding the Fourth Proportional to 3,210.55, 4,430.58 and 1,794.29

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Solution

The fourth proportional to 3,210.55, 4,430.58 and 1,794.29 is: 2,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210.55 : 4,430.58 = 1,794.29 : x
  2. Step 2: Convert to fraction form
    3,210.55/4,430.58 = 1,794.29/x
  3. Step 3: Cross multiply
    3,210.55x = 4,430.58 × 1,794.29
  4. Step 4: Simplify right side
    3,210.55x = 7,949,723.24
  5. Step 5: Solve for x
    x = 7,949,723.24/3,210.55
  6. Step 6: Final answer
    x = 2,476.13

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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.