Home / 1,860.41-2,567.33-1,021.12

Finding the Fourth Proportional to 1,860.41, 2,567.33 and 1,021.12

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Solution

The fourth proportional to 1,860.41, 2,567.33 and 1,021.12 is: 1,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.41 : 2,567.33 = 1,021.12 : x
  2. Step 2: Convert to fraction form
    1,860.41/2,567.33 = 1,021.12/x
  3. Step 3: Cross multiply
    1,860.41x = 2,567.33 × 1,021.12
  4. Step 4: Simplify right side
    1,860.41x = 2,621,552.01
  5. Step 5: Solve for x
    x = 2,621,552.01/1,860.41
  6. Step 6: Final answer
    x = 1,409.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.