Home / 3,576.24-4,928.76-2,643.12

Finding the Fourth Proportional to 3,576.24, 4,928.76 and 2,643.12

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Solution

The fourth proportional to 3,576.24, 4,928.76 and 2,643.12 is: 3,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.24 : 4,928.76 = 2,643.12 : x
  2. Step 2: Convert to fraction form
    3,576.24/4,928.76 = 2,643.12/x
  3. Step 3: Cross multiply
    3,576.24x = 4,928.76 × 2,643.12
  4. Step 4: Simplify right side
    3,576.24x = 13,027,304.13
  5. Step 5: Solve for x
    x = 13,027,304.13/3,576.24
  6. Step 6: Final answer
    x = 3,642.74

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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.