Home / 2,069.12-2,838.28-2,025.92

Finding the Fourth Proportional to 2,069.12, 2,838.28 and 2,025.92

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Solution

The fourth proportional to 2,069.12, 2,838.28 and 2,025.92 is: 2,779.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.12 : 2,838.28 = 2,025.92 : x
  2. Step 2: Convert to fraction form
    2,069.12/2,838.28 = 2,025.92/x
  3. Step 3: Cross multiply
    2,069.12x = 2,838.28 × 2,025.92
  4. Step 4: Simplify right side
    2,069.12x = 5,750,128.22
  5. Step 5: Solve for x
    x = 5,750,128.22/2,069.12
  6. Step 6: Final answer
    x = 2,779.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.