Home / 5,040.87-7,561.76-2,577.76

Finding the Fourth Proportional to 5,040.87, 7,561.76 and 2,577.76

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Solution

The fourth proportional to 5,040.87, 7,561.76 and 2,577.76 is: 3,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,040.87 : 7,561.76 = 2,577.76 : x
  2. Step 2: Convert to fraction form
    5,040.87/7,561.76 = 2,577.76/x
  3. Step 3: Cross multiply
    5,040.87x = 7,561.76 × 2,577.76
  4. Step 4: Simplify right side
    5,040.87x = 19,492,370.66
  5. Step 5: Solve for x
    x = 19,492,370.66/5,040.87
  6. Step 6: Final answer
    x = 3,866.87

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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.