Home / 5,055.29-6,980.59-3,170.03

Finding the Fourth Proportional to 5,055.29, 6,980.59 and 3,170.03

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Solution

The fourth proportional to 5,055.29, 6,980.59 and 3,170.03 is: 4,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.29 : 6,980.59 = 3,170.03 : x
  2. Step 2: Convert to fraction form
    5,055.29/6,980.59 = 3,170.03/x
  3. Step 3: Cross multiply
    5,055.29x = 6,980.59 × 3,170.03
  4. Step 4: Simplify right side
    5,055.29x = 22,128,636.89
  5. Step 5: Solve for x
    x = 22,128,636.89/5,055.29
  6. Step 6: Final answer
    x = 4,377.33

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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.