Home / 2,721.84-3,755.90-1,526.55

Finding the Fourth Proportional to 2,721.84, 3,755.90 and 1,526.55

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Solution

The fourth proportional to 2,721.84, 3,755.90 and 1,526.55 is: 2,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.84 : 3,755.90 = 1,526.55 : x
  2. Step 2: Convert to fraction form
    2,721.84/3,755.90 = 1,526.55/x
  3. Step 3: Cross multiply
    2,721.84x = 3,755.90 × 1,526.55
  4. Step 4: Simplify right side
    2,721.84x = 5,733,558.88
  5. Step 5: Solve for x
    x = 5,733,558.88/2,721.84
  6. Step 6: Final answer
    x = 2,106.50

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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.