Home / 6,859.52-9,466.32-3,875.79

Finding the Fourth Proportional to 6,859.52, 9,466.32 and 3,875.79

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Solution

The fourth proportional to 6,859.52, 9,466.32 and 3,875.79 is: 5,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.52 : 9,466.32 = 3,875.79 : x
  2. Step 2: Convert to fraction form
    6,859.52/9,466.32 = 3,875.79/x
  3. Step 3: Cross multiply
    6,859.52x = 9,466.32 × 3,875.79
  4. Step 4: Simplify right side
    6,859.52x = 36,689,449.01
  5. Step 5: Solve for x
    x = 36,689,449.01/6,859.52
  6. Step 6: Final answer
    x = 5,348.69

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1.5x scale

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.