Home / 4,420.06-6,630.09-1,133.05

Finding the Fourth Proportional to 4,420.06, 6,630.09 and 1,133.05

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Solution

The fourth proportional to 4,420.06, 6,630.09 and 1,133.05 is: 1,699.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.06 : 6,630.09 = 1,133.05 : x
  2. Step 2: Convert to fraction form
    4,420.06/6,630.09 = 1,133.05/x
  3. Step 3: Cross multiply
    4,420.06x = 6,630.09 × 1,133.05
  4. Step 4: Simplify right side
    4,420.06x = 7,512,223.47
  5. Step 5: Solve for x
    x = 7,512,223.47/4,420.06
  6. Step 6: Final answer
    x = 1,699.58

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Double scale
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Similar ratio
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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.