Home / 2,487.24-3,433.16-1,603.04

Finding the Fourth Proportional to 2,487.24, 3,433.16 and 1,603.04

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Solution

The fourth proportional to 2,487.24, 3,433.16 and 1,603.04 is: 2,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.24 : 3,433.16 = 1,603.04 : x
  2. Step 2: Convert to fraction form
    2,487.24/3,433.16 = 1,603.04/x
  3. Step 3: Cross multiply
    2,487.24x = 3,433.16 × 1,603.04
  4. Step 4: Simplify right side
    2,487.24x = 5,503,492.81
  5. Step 5: Solve for x
    x = 5,503,492.81/2,487.24
  6. Step 6: Final answer
    x = 2,212.69

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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.