Home / 2,895.95-3,995.53-1,775.12

Finding the Fourth Proportional to 2,895.95, 3,995.53 and 1,775.12

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Solution

The fourth proportional to 2,895.95, 3,995.53 and 1,775.12 is: 2,449.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.95 : 3,995.53 = 1,775.12 : x
  2. Step 2: Convert to fraction form
    2,895.95/3,995.53 = 1,775.12/x
  3. Step 3: Cross multiply
    2,895.95x = 3,995.53 × 1,775.12
  4. Step 4: Simplify right side
    2,895.95x = 7,092,520.80
  5. Step 5: Solve for x
    x = 7,092,520.80/2,895.95
  6. Step 6: Final answer
    x = 2,449.12

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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.