Home / 7,327.75-10,111.70-4,140.88

Finding the Fourth Proportional to 7,327.75, 10,111.70 and 4,140.88

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Solution

The fourth proportional to 7,327.75, 10,111.70 and 4,140.88 is: 5,714.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.75 : 10,111.70 = 4,140.88 : x
  2. Step 2: Convert to fraction form
    7,327.75/10,111.70 = 4,140.88/x
  3. Step 3: Cross multiply
    7,327.75x = 10,111.70 × 4,140.88
  4. Step 4: Simplify right side
    7,327.75x = 41,871,336.30
  5. Step 5: Solve for x
    x = 41,871,336.30/7,327.75
  6. Step 6: Final answer
    x = 5,714.08

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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.