Home / 4,681.18-7,020.66-1,907.08

Finding the Fourth Proportional to 4,681.18, 7,020.66 and 1,907.08

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Solution

The fourth proportional to 4,681.18, 7,020.66 and 1,907.08 is: 2,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.18 : 7,020.66 = 1,907.08 : x
  2. Step 2: Convert to fraction form
    4,681.18/7,020.66 = 1,907.08/x
  3. Step 3: Cross multiply
    4,681.18x = 7,020.66 × 1,907.08
  4. Step 4: Simplify right side
    4,681.18x = 13,388,960.27
  5. Step 5: Solve for x
    x = 13,388,960.27/4,681.18
  6. Step 6: Final answer
    x = 2,860.17

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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.