Home / 2,050.65-2,832.48-1,520.55

Finding the Fourth Proportional to 2,050.65, 2,832.48 and 1,520.55

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Solution

The fourth proportional to 2,050.65, 2,832.48 and 1,520.55 is: 2,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.65 : 2,832.48 = 1,520.55 : x
  2. Step 2: Convert to fraction form
    2,050.65/2,832.48 = 1,520.55/x
  3. Step 3: Cross multiply
    2,050.65x = 2,832.48 × 1,520.55
  4. Step 4: Simplify right side
    2,050.65x = 4,306,927.46
  5. Step 5: Solve for x
    x = 4,306,927.46/2,050.65
  6. Step 6: Final answer
    x = 2,100.27

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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.