Home / 6,925.89-10,390.36-2,543.69

Finding the Fourth Proportional to 6,925.89, 10,390.36 and 2,543.69

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Solution

The fourth proportional to 6,925.89, 10,390.36 and 2,543.69 is: 3,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,925.89 : 10,390.36 = 2,543.69 : x
  2. Step 2: Convert to fraction form
    6,925.89/10,390.36 = 2,543.69/x
  3. Step 3: Cross multiply
    6,925.89x = 10,390.36 × 2,543.69
  4. Step 4: Simplify right side
    6,925.89x = 26,429,854.83
  5. Step 5: Solve for x
    x = 26,429,854.83/6,925.89
  6. Step 6: Final answer
    x = 3,816.10

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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.