Home / 5,690.28-7,852.59-3,172.33

Finding the Fourth Proportional to 5,690.28, 7,852.59 and 3,172.33

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Solution

The fourth proportional to 5,690.28, 7,852.59 and 3,172.33 is: 4,377.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.28 : 7,852.59 = 3,172.33 : x
  2. Step 2: Convert to fraction form
    5,690.28/7,852.59 = 3,172.33/x
  3. Step 3: Cross multiply
    5,690.28x = 7,852.59 × 3,172.33
  4. Step 4: Simplify right side
    5,690.28x = 24,911,006.83
  5. Step 5: Solve for x
    x = 24,911,006.83/5,690.28
  6. Step 6: Final answer
    x = 4,377.82

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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.