Home / 4,400.42-6,600.63-1,113.53

Finding the Fourth Proportional to 4,400.42, 6,600.63 and 1,113.53

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Solution

The fourth proportional to 4,400.42, 6,600.63 and 1,113.53 is: 1,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.42 : 6,600.63 = 1,113.53 : x
  2. Step 2: Convert to fraction form
    4,400.42/6,600.63 = 1,113.53/x
  3. Step 3: Cross multiply
    4,400.42x = 6,600.63 × 1,113.53
  4. Step 4: Simplify right side
    4,400.42x = 7,349,999.52
  5. Step 5: Solve for x
    x = 7,349,999.52/4,400.42
  6. Step 6: Final answer
    x = 1,670.30

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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.