Home / 5,690.03-7,852.01-3,172.23

Finding the Fourth Proportional to 5,690.03, 7,852.01 and 3,172.23

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Solution

The fourth proportional to 5,690.03, 7,852.01 and 3,172.23 is: 4,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.03 : 7,852.01 = 3,172.23 : x
  2. Step 2: Convert to fraction form
    5,690.03/7,852.01 = 3,172.23/x
  3. Step 3: Cross multiply
    5,690.03x = 7,852.01 × 3,172.23
  4. Step 4: Simplify right side
    5,690.03x = 24,908,365.82
  5. Step 5: Solve for x
    x = 24,908,365.82/5,690.03
  6. Step 6: Final answer
    x = 4,377.55

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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.