Home / 5,213.04-7,185.96-3,718.32

Finding the Fourth Proportional to 5,213.04, 7,185.96 and 3,718.32

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Solution

The fourth proportional to 5,213.04, 7,185.96 and 3,718.32 is: 5,125.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.04 : 7,185.96 = 3,718.32 : x
  2. Step 2: Convert to fraction form
    5,213.04/7,185.96 = 3,718.32/x
  3. Step 3: Cross multiply
    5,213.04x = 7,185.96 × 3,718.32
  4. Step 4: Simplify right side
    5,213.04x = 26,719,698.79
  5. Step 5: Solve for x
    x = 26,719,698.79/5,213.04
  6. Step 6: Final answer
    x = 5,125.55

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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.