Home / 4,040.51-6,060.76-1,267.20

Finding the Fourth Proportional to 4,040.51, 6,060.76 and 1,267.20

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Solution

The fourth proportional to 4,040.51, 6,060.76 and 1,267.20 is: 1,900.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.51 : 6,060.76 = 1,267.20 : x
  2. Step 2: Convert to fraction form
    4,040.51/6,060.76 = 1,267.20/x
  3. Step 3: Cross multiply
    4,040.51x = 6,060.76 × 1,267.20
  4. Step 4: Simplify right side
    4,040.51x = 7,680,191.90
  5. Step 5: Solve for x
    x = 7,680,191.90/4,040.51
  6. Step 6: Final answer
    x = 1,900.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.