Home / 7,327.54-10,111.93-3,970.36

Finding the Fourth Proportional to 7,327.54, 10,111.93 and 3,970.36

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Solution

The fourth proportional to 7,327.54, 10,111.93 and 3,970.36 is: 5,479.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.54 : 10,111.93 = 3,970.36 : x
  2. Step 2: Convert to fraction form
    7,327.54/10,111.93 = 3,970.36/x
  3. Step 3: Cross multiply
    7,327.54x = 10,111.93 × 3,970.36
  4. Step 4: Simplify right side
    7,327.54x = 40,148,002.39
  5. Step 5: Solve for x
    x = 40,148,002.39/7,327.54
  6. Step 6: Final answer
    x = 5,479.06

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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.