Home / 2,586.97-3,570.03-1,408.04

Finding the Fourth Proportional to 2,586.97, 3,570.03 and 1,408.04

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Solution

The fourth proportional to 2,586.97, 3,570.03 and 1,408.04 is: 1,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.97 : 3,570.03 = 1,408.04 : x
  2. Step 2: Convert to fraction form
    2,586.97/3,570.03 = 1,408.04/x
  3. Step 3: Cross multiply
    2,586.97x = 3,570.03 × 1,408.04
  4. Step 4: Simplify right side
    2,586.97x = 5,026,727.19
  5. Step 5: Solve for x
    x = 5,026,727.19/2,586.97
  6. Step 6: Final answer
    x = 1,943.10

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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.