Home / 4,075.74-6,113.79-1,154.28

Finding the Fourth Proportional to 4,075.74, 6,113.79 and 1,154.28

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Solution

The fourth proportional to 4,075.74, 6,113.79 and 1,154.28 is: 1,731.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.74 : 6,113.79 = 1,154.28 : x
  2. Step 2: Convert to fraction form
    4,075.74/6,113.79 = 1,154.28/x
  3. Step 3: Cross multiply
    4,075.74x = 6,113.79 × 1,154.28
  4. Step 4: Simplify right side
    4,075.74x = 7,057,025.52
  5. Step 5: Solve for x
    x = 7,057,025.52/4,075.74
  6. Step 6: Final answer
    x = 1,731.47

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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.