Home / 6,200.12-8,555.82-3,547.64

Finding the Fourth Proportional to 6,200.12, 8,555.82 and 3,547.64

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Solution

The fourth proportional to 6,200.12, 8,555.82 and 3,547.64 is: 4,895.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.12 : 8,555.82 = 3,547.64 : x
  2. Step 2: Convert to fraction form
    6,200.12/8,555.82 = 3,547.64/x
  3. Step 3: Cross multiply
    6,200.12x = 8,555.82 × 3,547.64
  4. Step 4: Simplify right side
    6,200.12x = 30,352,969.26
  5. Step 5: Solve for x
    x = 30,352,969.26/6,200.12
  6. Step 6: Final answer
    x = 4,895.55

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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.