Home / 4,065.12-6,107.40-2,607.12

Finding the Fourth Proportional to 4,065.12, 6,107.40 and 2,607.12

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Solution

The fourth proportional to 4,065.12, 6,107.40 and 2,607.12 is: 3,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,065.12 : 6,107.40 = 2,607.12 : x
  2. Step 2: Convert to fraction form
    4,065.12/6,107.40 = 2,607.12/x
  3. Step 3: Cross multiply
    4,065.12x = 6,107.40 × 2,607.12
  4. Step 4: Simplify right side
    4,065.12x = 15,922,724.69
  5. Step 5: Solve for x
    x = 15,922,724.69/4,065.12
  6. Step 6: Final answer
    x = 3,916.91

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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.