Home / 4,716.56-7,075.86-1,429.90

Finding the Fourth Proportional to 4,716.56, 7,075.86 and 1,429.90

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Solution

The fourth proportional to 4,716.56, 7,075.86 and 1,429.90 is: 2,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.56 : 7,075.86 = 1,429.90 : x
  2. Step 2: Convert to fraction form
    4,716.56/7,075.86 = 1,429.90/x
  3. Step 3: Cross multiply
    4,716.56x = 7,075.86 × 1,429.90
  4. Step 4: Simplify right side
    4,716.56x = 10,117,765.06
  5. Step 5: Solve for x
    x = 10,117,765.06/4,716.56
  6. Step 6: Final answer
    x = 2,145.16

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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.