Home / 3,262.86-4,887.72-1,505.40

Finding the Fourth Proportional to 3,262.86, 4,887.72 and 1,505.40

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Solution

The fourth proportional to 3,262.86, 4,887.72 and 1,505.40 is: 2,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,262.86 : 4,887.72 = 1,505.40 : x
  2. Step 2: Convert to fraction form
    3,262.86/4,887.72 = 1,505.40/x
  3. Step 3: Cross multiply
    3,262.86x = 4,887.72 × 1,505.40
  4. Step 4: Simplify right side
    3,262.86x = 7,357,973.69
  5. Step 5: Solve for x
    x = 7,357,973.69/3,262.86
  6. Step 6: Final answer
    x = 2,255.07

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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.