Home / 3,528.12-4,868.80-1,956.32

Finding the Fourth Proportional to 3,528.12, 4,868.80 and 1,956.32

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Solution

The fourth proportional to 3,528.12, 4,868.80 and 1,956.32 is: 2,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.12 : 4,868.80 = 1,956.32 : x
  2. Step 2: Convert to fraction form
    3,528.12/4,868.80 = 1,956.32/x
  3. Step 3: Cross multiply
    3,528.12x = 4,868.80 × 1,956.32
  4. Step 4: Simplify right side
    3,528.12x = 9,524,930.82
  5. Step 5: Solve for x
    x = 9,524,930.82/3,528.12
  6. Step 6: Final answer
    x = 2,699.72

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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.