Home / 6,114.47-8,438.39-3,461.90

Finding the Fourth Proportional to 6,114.47, 8,438.39 and 3,461.90

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Solution

The fourth proportional to 6,114.47, 8,438.39 and 3,461.90 is: 4,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.47 : 8,438.39 = 3,461.90 : x
  2. Step 2: Convert to fraction form
    6,114.47/8,438.39 = 3,461.90/x
  3. Step 3: Cross multiply
    6,114.47x = 8,438.39 × 3,461.90
  4. Step 4: Simplify right side
    6,114.47x = 29,212,802.84
  5. Step 5: Solve for x
    x = 29,212,802.84/6,114.47
  6. Step 6: Final answer
    x = 4,777.65

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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.