Home / 4,887.36-6,740.64-4,426.56

Finding the Fourth Proportional to 4,887.36, 6,740.64 and 4,426.56

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Solution

The fourth proportional to 4,887.36, 6,740.64 and 4,426.56 is: 6,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.36 : 6,740.64 = 4,426.56 : x
  2. Step 2: Convert to fraction form
    4,887.36/6,740.64 = 4,426.56/x
  3. Step 3: Cross multiply
    4,887.36x = 6,740.64 × 4,426.56
  4. Step 4: Simplify right side
    4,887.36x = 29,837,847.40
  5. Step 5: Solve for x
    x = 29,837,847.40/4,887.36
  6. Step 6: Final answer
    x = 6,105.11

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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.