Home / 4,071.12-6,106.68-1,762.08

Finding the Fourth Proportional to 4,071.12, 6,106.68 and 1,762.08

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Solution

The fourth proportional to 4,071.12, 6,106.68 and 1,762.08 is: 2,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.12 : 6,106.68 = 1,762.08 : x
  2. Step 2: Convert to fraction form
    4,071.12/6,106.68 = 1,762.08/x
  3. Step 3: Cross multiply
    4,071.12x = 6,106.68 × 1,762.08
  4. Step 4: Simplify right side
    4,071.12x = 10,760,458.69
  5. Step 5: Solve for x
    x = 10,760,458.69/4,071.12
  6. Step 6: Final answer
    x = 2,643.12

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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.