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Finding the Fourth Proportional to 4,888.16, 6,743.89 and 3,210.47

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Solution

The fourth proportional to 4,888.16, 6,743.89 and 3,210.47 is: 4,429.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.16 : 6,743.89 = 3,210.47 : x
  2. Step 2: Convert to fraction form
    4,888.16/6,743.89 = 3,210.47/x
  3. Step 3: Cross multiply
    4,888.16x = 6,743.89 × 3,210.47
  4. Step 4: Simplify right side
    4,888.16x = 21,651,090.05
  5. Step 5: Solve for x
    x = 21,651,090.05/4,888.16
  6. Step 6: Final answer
    x = 4,429.29

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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.