Home / 2,826.11-3,900.13-1,567.10

Finding the Fourth Proportional to 2,826.11, 3,900.13 and 1,567.10

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Solution

The fourth proportional to 2,826.11, 3,900.13 and 1,567.10 is: 2,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.11 : 3,900.13 = 1,567.10 : x
  2. Step 2: Convert to fraction form
    2,826.11/3,900.13 = 1,567.10/x
  3. Step 3: Cross multiply
    2,826.11x = 3,900.13 × 1,567.10
  4. Step 4: Simplify right side
    2,826.11x = 6,111,878.14
  5. Step 5: Solve for x
    x = 6,111,878.14/2,826.11
  6. Step 6: Final answer
    x = 2,162.65

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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.