Home / 4,075.19-6,115.76-1,856.53

Finding the Fourth Proportional to 4,075.19, 6,115.76 and 1,856.53

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Solution

The fourth proportional to 4,075.19, 6,115.76 and 1,856.53 is: 2,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.19 : 6,115.76 = 1,856.53 : x
  2. Step 2: Convert to fraction form
    4,075.19/6,115.76 = 1,856.53/x
  3. Step 3: Cross multiply
    4,075.19x = 6,115.76 × 1,856.53
  4. Step 4: Simplify right side
    4,075.19x = 11,354,070.43
  5. Step 5: Solve for x
    x = 11,354,070.43/4,075.19
  6. Step 6: Final answer
    x = 2,786.15

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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.