Home / 4,075.12-5,617.92-2,895.76

Finding the Fourth Proportional to 4,075.12, 5,617.92 and 2,895.76

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Solution

The fourth proportional to 4,075.12, 5,617.92 and 2,895.76 is: 3,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.12 : 5,617.92 = 2,895.76 : x
  2. Step 2: Convert to fraction form
    4,075.12/5,617.92 = 2,895.76/x
  3. Step 3: Cross multiply
    4,075.12x = 5,617.92 × 2,895.76
  4. Step 4: Simplify right side
    4,075.12x = 16,268,148.02
  5. Step 5: Solve for x
    x = 16,268,148.02/4,075.12
  6. Step 6: Final answer
    x = 3,992.07

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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.