Home / 5,878.76-8,109.80-4,282.92

Finding the Fourth Proportional to 5,878.76, 8,109.80 and 4,282.92

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Solution

The fourth proportional to 5,878.76, 8,109.80 and 4,282.92 is: 5,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.76 : 8,109.80 = 4,282.92 : x
  2. Step 2: Convert to fraction form
    5,878.76/8,109.80 = 4,282.92/x
  3. Step 3: Cross multiply
    5,878.76x = 8,109.80 × 4,282.92
  4. Step 4: Simplify right side
    5,878.76x = 34,733,623.48
  5. Step 5: Solve for x
    x = 34,733,623.48/5,878.76
  6. Step 6: Final answer
    x = 5,908.33

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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.