Home / 2,928.32-4,409.84-2,548.16

Finding the Fourth Proportional to 2,928.32, 4,409.84 and 2,548.16

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Solution

The fourth proportional to 2,928.32, 4,409.84 and 2,548.16 is: 3,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.32 : 4,409.84 = 2,548.16 : x
  2. Step 2: Convert to fraction form
    2,928.32/4,409.84 = 2,548.16/x
  3. Step 3: Cross multiply
    2,928.32x = 4,409.84 × 2,548.16
  4. Step 4: Simplify right side
    2,928.32x = 11,236,977.89
  5. Step 5: Solve for x
    x = 11,236,977.89/2,928.32
  6. Step 6: Final answer
    x = 3,837.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.