Home / 5,869.40-8,099.98-3,216.68

Finding the Fourth Proportional to 5,869.40, 8,099.98 and 3,216.68

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Solution

The fourth proportional to 5,869.40, 8,099.98 and 3,216.68 is: 4,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,869.40 : 8,099.98 = 3,216.68 : x
  2. Step 2: Convert to fraction form
    5,869.40/8,099.98 = 3,216.68/x
  3. Step 3: Cross multiply
    5,869.40x = 8,099.98 × 3,216.68
  4. Step 4: Simplify right side
    5,869.40x = 26,055,043.67
  5. Step 5: Solve for x
    x = 26,055,043.67/5,869.40
  6. Step 6: Final answer
    x = 4,439.13

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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.