Home / 4,887.60-7,330.58-1,424.04

Finding the Fourth Proportional to 4,887.60, 7,330.58 and 1,424.04

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Solution

The fourth proportional to 4,887.60, 7,330.58 and 1,424.04 is: 2,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.60 : 7,330.58 = 1,424.04 : x
  2. Step 2: Convert to fraction form
    4,887.60/7,330.58 = 1,424.04/x
  3. Step 3: Cross multiply
    4,887.60x = 7,330.58 × 1,424.04
  4. Step 4: Simplify right side
    4,887.60x = 10,439,039.14
  5. Step 5: Solve for x
    x = 10,439,039.14/4,887.60
  6. Step 6: Final answer
    x = 2,135.82

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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.