Home / 3,528.10-4,868.25-1,956.20

Finding the Fourth Proportional to 3,528.10, 4,868.25 and 1,956.20

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Solution

The fourth proportional to 3,528.10, 4,868.25 and 1,956.20 is: 2,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.10 : 4,868.25 = 1,956.20 : x
  2. Step 2: Convert to fraction form
    3,528.10/4,868.25 = 1,956.20/x
  3. Step 3: Cross multiply
    3,528.10x = 4,868.25 × 1,956.20
  4. Step 4: Simplify right side
    3,528.10x = 9,523,270.65
  5. Step 5: Solve for x
    x = 9,523,270.65/3,528.10
  6. Step 6: Final answer
    x = 2,699.27

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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.