Home / 6,377.08-8,792.76-5,491.36

Finding the Fourth Proportional to 6,377.08, 8,792.76 and 5,491.36

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Solution

The fourth proportional to 6,377.08, 8,792.76 and 5,491.36 is: 7,571.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.08 : 8,792.76 = 5,491.36 : x
  2. Step 2: Convert to fraction form
    6,377.08/8,792.76 = 5,491.36/x
  3. Step 3: Cross multiply
    6,377.08x = 8,792.76 × 5,491.36
  4. Step 4: Simplify right side
    6,377.08x = 48,284,210.55
  5. Step 5: Solve for x
    x = 48,284,210.55/6,377.08
  6. Step 6: Final answer
    x = 7,571.52

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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.