Home / 2,895.08-3,994.92-1,715.92

Finding the Fourth Proportional to 2,895.08, 3,994.92 and 1,715.92

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Solution

The fourth proportional to 2,895.08, 3,994.92 and 1,715.92 is: 2,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.08 : 3,994.92 = 1,715.92 : x
  2. Step 2: Convert to fraction form
    2,895.08/3,994.92 = 1,715.92/x
  3. Step 3: Cross multiply
    2,895.08x = 3,994.92 × 1,715.92
  4. Step 4: Simplify right side
    2,895.08x = 6,854,953.14
  5. Step 5: Solve for x
    x = 6,854,953.14/2,895.08
  6. Step 6: Final answer
    x = 2,367.80

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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.