Home / 5,869.10-8,099.43-3,216.45

Finding the Fourth Proportional to 5,869.10, 8,099.43 and 3,216.45

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Solution

The fourth proportional to 5,869.10, 8,099.43 and 3,216.45 is: 4,438.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.10 : 8,099.43 = 3,216.45 : x
  2. Step 2: Convert to fraction form
    5,869.10/8,099.43 = 3,216.45/x
  3. Step 3: Cross multiply
    5,869.10x = 8,099.43 × 3,216.45
  4. Step 4: Simplify right side
    5,869.10x = 26,051,415.79
  5. Step 5: Solve for x
    x = 26,051,415.79/5,869.10
  6. Step 6: Final answer
    x = 4,438.74

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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.