Home / 2,586.22-3,569-1,407.29

Finding the Fourth Proportional to 2,586.22, 3,569 and 1,407.29

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Solution

The fourth proportional to 2,586.22, 3,569 and 1,407.29 is: 1,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.22 : 3,569 = 1,407.29 : x
  2. Step 2: Convert to fraction form
    2,586.22/3,569 = 1,407.29/x
  3. Step 3: Cross multiply
    2,586.22x = 3,569 × 1,407.29
  4. Step 4: Simplify right side
    2,586.22x = 5,022,618.01
  5. Step 5: Solve for x
    x = 5,022,618.01/2,586.22
  6. Step 6: Final answer
    x = 1,942.07

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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.