Home / 4,281.06-5,905.53-3,100.08

Finding the Fourth Proportional to 4,281.06, 5,905.53 and 3,100.08

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Solution

The fourth proportional to 4,281.06, 5,905.53 and 3,100.08 is: 4,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.06 : 5,905.53 = 3,100.08 : x
  2. Step 2: Convert to fraction form
    4,281.06/5,905.53 = 3,100.08/x
  3. Step 3: Cross multiply
    4,281.06x = 5,905.53 × 3,100.08
  4. Step 4: Simplify right side
    4,281.06x = 18,307,615.44
  5. Step 5: Solve for x
    x = 18,307,615.44/4,281.06
  6. Step 6: Final answer
    x = 4,276.42

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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.