Home / 2,953.45-4,430.17-2,773.02

Finding the Fourth Proportional to 2,953.45, 4,430.17 and 2,773.02

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Solution

The fourth proportional to 2,953.45, 4,430.17 and 2,773.02 is: 4,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,953.45 : 4,430.17 = 2,773.02 : x
  2. Step 2: Convert to fraction form
    2,953.45/4,430.17 = 2,773.02/x
  3. Step 3: Cross multiply
    2,953.45x = 4,430.17 × 2,773.02
  4. Step 4: Simplify right side
    2,953.45x = 12,284,945.87
  5. Step 5: Solve for x
    x = 12,284,945.87/2,953.45
  6. Step 6: Final answer
    x = 4,159.53

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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.