Home / 5,403.92-8,091.86-4,628.91

Finding the Fourth Proportional to 5,403.92, 8,091.86 and 4,628.91

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Solution

The fourth proportional to 5,403.92, 8,091.86 and 4,628.91 is: 6,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.92 : 8,091.86 = 4,628.91 : x
  2. Step 2: Convert to fraction form
    5,403.92/8,091.86 = 4,628.91/x
  3. Step 3: Cross multiply
    5,403.92x = 8,091.86 × 4,628.91
  4. Step 4: Simplify right side
    5,403.92x = 37,456,491.67
  5. Step 5: Solve for x
    x = 37,456,491.67/5,403.92
  6. Step 6: Final answer
    x = 6,931.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.