Home / 2,585.29-3,567.67-1,406.36

Finding the Fourth Proportional to 2,585.29, 3,567.67 and 1,406.36

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Solution

The fourth proportional to 2,585.29, 3,567.67 and 1,406.36 is: 1,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.29 : 3,567.67 = 1,406.36 : x
  2. Step 2: Convert to fraction form
    2,585.29/3,567.67 = 1,406.36/x
  3. Step 3: Cross multiply
    2,585.29x = 3,567.67 × 1,406.36
  4. Step 4: Simplify right side
    2,585.29x = 5,017,428.62
  5. Step 5: Solve for x
    x = 5,017,428.62/2,585.29
  6. Step 6: Final answer
    x = 1,940.76

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1.5x scale

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.