Home / 2,913.24-4,021.86-2,110.53

Finding the Fourth Proportional to 2,913.24, 4,021.86 and 2,110.53

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Solution

The fourth proportional to 2,913.24, 4,021.86 and 2,110.53 is: 2,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.24 : 4,021.86 = 2,110.53 : x
  2. Step 2: Convert to fraction form
    2,913.24/4,021.86 = 2,110.53/x
  3. Step 3: Cross multiply
    2,913.24x = 4,021.86 × 2,110.53
  4. Step 4: Simplify right side
    2,913.24x = 8,488,256.19
  5. Step 5: Solve for x
    x = 8,488,256.19/2,913.24
  6. Step 6: Final answer
    x = 2,913.68

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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.