Home / 4,075.31-6,113.68-1,478.86

Finding the Fourth Proportional to 4,075.31, 6,113.68 and 1,478.86

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Solution

The fourth proportional to 4,075.31, 6,113.68 and 1,478.86 is: 2,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.31 : 6,113.68 = 1,478.86 : x
  2. Step 2: Convert to fraction form
    4,075.31/6,113.68 = 1,478.86/x
  3. Step 3: Cross multiply
    4,075.31x = 6,113.68 × 1,478.86
  4. Step 4: Simplify right side
    4,075.31x = 9,041,257.82
  5. Step 5: Solve for x
    x = 9,041,257.82/4,075.31
  6. Step 6: Final answer
    x = 2,218.54

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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.