Home / 2,685.24-4,025.10-1,041.15

Finding the Fourth Proportional to 2,685.24, 4,025.10 and 1,041.15

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Solution

The fourth proportional to 2,685.24, 4,025.10 and 1,041.15 is: 1,560.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.24 : 4,025.10 = 1,041.15 : x
  2. Step 2: Convert to fraction form
    2,685.24/4,025.10 = 1,041.15/x
  3. Step 3: Cross multiply
    2,685.24x = 4,025.10 × 1,041.15
  4. Step 4: Simplify right side
    2,685.24x = 4,190,732.87
  5. Step 5: Solve for x
    x = 4,190,732.87/2,685.24
  6. Step 6: Final answer
    x = 1,560.65

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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.