Home / 4,770.29-6,580.09-3,155.20

Finding the Fourth Proportional to 4,770.29, 6,580.09 and 3,155.20

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Solution

The fourth proportional to 4,770.29, 6,580.09 and 3,155.20 is: 4,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.29 : 6,580.09 = 3,155.20 : x
  2. Step 2: Convert to fraction form
    4,770.29/6,580.09 = 3,155.20/x
  3. Step 3: Cross multiply
    4,770.29x = 6,580.09 × 3,155.20
  4. Step 4: Simplify right side
    4,770.29x = 20,761,499.97
  5. Step 5: Solve for x
    x = 20,761,499.97/4,770.29
  6. Step 6: Final answer
    x = 4,352.25

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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.