Home / 2,613.49-3,913.35-1,834.45

Finding the Fourth Proportional to 2,613.49, 3,913.35 and 1,834.45

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Solution

The fourth proportional to 2,613.49, 3,913.35 and 1,834.45 is: 2,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.49 : 3,913.35 = 1,834.45 : x
  2. Step 2: Convert to fraction form
    2,613.49/3,913.35 = 1,834.45/x
  3. Step 3: Cross multiply
    2,613.49x = 3,913.35 × 1,834.45
  4. Step 4: Simplify right side
    2,613.49x = 7,178,844.91
  5. Step 5: Solve for x
    x = 7,178,844.91/2,613.49
  6. Step 6: Final answer
    x = 2,746.84

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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.