Home / 6,871.24-10,307.49-1,873.68

Finding the Fourth Proportional to 6,871.24, 10,307.49 and 1,873.68

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Solution

The fourth proportional to 6,871.24, 10,307.49 and 1,873.68 is: 2,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.24 : 10,307.49 = 1,873.68 : x
  2. Step 2: Convert to fraction form
    6,871.24/10,307.49 = 1,873.68/x
  3. Step 3: Cross multiply
    6,871.24x = 10,307.49 × 1,873.68
  4. Step 4: Simplify right side
    6,871.24x = 19,312,937.86
  5. Step 5: Solve for x
    x = 19,312,937.86/6,871.24
  6. Step 6: Final answer
    x = 2,810.69

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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.