Home / 4,752.42-7,129.47-1,632.76

Finding the Fourth Proportional to 4,752.42, 7,129.47 and 1,632.76

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Solution

The fourth proportional to 4,752.42, 7,129.47 and 1,632.76 is: 2,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.42 : 7,129.47 = 1,632.76 : x
  2. Step 2: Convert to fraction form
    4,752.42/7,129.47 = 1,632.76/x
  3. Step 3: Cross multiply
    4,752.42x = 7,129.47 × 1,632.76
  4. Step 4: Simplify right side
    4,752.42x = 11,640,692.55
  5. Step 5: Solve for x
    x = 11,640,692.55/4,752.42
  6. Step 6: Final answer
    x = 2,449.42

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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.