Home / 5,690.12-8,535.74-2,402.78

Finding the Fourth Proportional to 5,690.12, 8,535.74 and 2,402.78

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Solution

The fourth proportional to 5,690.12, 8,535.74 and 2,402.78 is: 3,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.12 : 8,535.74 = 2,402.78 : x
  2. Step 2: Convert to fraction form
    5,690.12/8,535.74 = 2,402.78/x
  3. Step 3: Cross multiply
    5,690.12x = 8,535.74 × 2,402.78
  4. Step 4: Simplify right side
    5,690.12x = 20,509,450.66
  5. Step 5: Solve for x
    x = 20,509,450.66/5,690.12
  6. Step 6: Final answer
    x = 3,604.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.