Home / 6,417.36-8,856.20-3,584.59

Finding the Fourth Proportional to 6,417.36, 8,856.20 and 3,584.59

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Solution

The fourth proportional to 6,417.36, 8,856.20 and 3,584.59 is: 4,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417.36 : 8,856.20 = 3,584.59 : x
  2. Step 2: Convert to fraction form
    6,417.36/8,856.20 = 3,584.59/x
  3. Step 3: Cross multiply
    6,417.36x = 8,856.20 × 3,584.59
  4. Step 4: Simplify right side
    6,417.36x = 31,745,832.78
  5. Step 5: Solve for x
    x = 31,745,832.78/6,417.36
  6. Step 6: Final answer
    x = 4,946.87

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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.