Home / 5,778.84-8,671.50-2,316.36

Finding the Fourth Proportional to 5,778.84, 8,671.50 and 2,316.36

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Solution

The fourth proportional to 5,778.84, 8,671.50 and 2,316.36 is: 3,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.84 : 8,671.50 = 2,316.36 : x
  2. Step 2: Convert to fraction form
    5,778.84/8,671.50 = 2,316.36/x
  3. Step 3: Cross multiply
    5,778.84x = 8,671.50 × 2,316.36
  4. Step 4: Simplify right side
    5,778.84x = 20,086,315.74
  5. Step 5: Solve for x
    x = 20,086,315.74/5,778.84
  6. Step 6: Final answer
    x = 3,475.84

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1.5x scale

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.