Home / 2,125.04-3,184.72-1,849.76

Finding the Fourth Proportional to 2,125.04, 3,184.72 and 1,849.76

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Solution

The fourth proportional to 2,125.04, 3,184.72 and 1,849.76 is: 2,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.04 : 3,184.72 = 1,849.76 : x
  2. Step 2: Convert to fraction form
    2,125.04/3,184.72 = 1,849.76/x
  3. Step 3: Cross multiply
    2,125.04x = 3,184.72 × 1,849.76
  4. Step 4: Simplify right side
    2,125.04x = 5,890,967.67
  5. Step 5: Solve for x
    x = 5,890,967.67/2,125.04
  6. Step 6: Final answer
    x = 2,772.17

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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.