Home / 3,530.91-4,872.57-1,937.55

Finding the Fourth Proportional to 3,530.91, 4,872.57 and 1,937.55

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Solution

The fourth proportional to 3,530.91, 4,872.57 and 1,937.55 is: 2,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.91 : 4,872.57 = 1,937.55 : x
  2. Step 2: Convert to fraction form
    3,530.91/4,872.57 = 1,937.55/x
  3. Step 3: Cross multiply
    3,530.91x = 4,872.57 × 1,937.55
  4. Step 4: Simplify right side
    3,530.91x = 9,440,848.00
  5. Step 5: Solve for x
    x = 9,440,848.00/3,530.91
  6. Step 6: Final answer
    x = 2,673.77

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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.