Home / 5,899.12-8,140.86-3,246.49

Finding the Fourth Proportional to 5,899.12, 8,140.86 and 3,246.49

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Solution

The fourth proportional to 5,899.12, 8,140.86 and 3,246.49 is: 4,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.12 : 8,140.86 = 3,246.49 : x
  2. Step 2: Convert to fraction form
    5,899.12/8,140.86 = 3,246.49/x
  3. Step 3: Cross multiply
    5,899.12x = 8,140.86 × 3,246.49
  4. Step 4: Simplify right side
    5,899.12x = 26,429,220.58
  5. Step 5: Solve for x
    x = 26,429,220.58/5,899.12
  6. Step 6: Final answer
    x = 4,480.20

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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.