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Finding the Fourth Proportional to 3,486.02, 4,810.62 and 1,914.14

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Solution

The fourth proportional to 3,486.02, 4,810.62 and 1,914.14 is: 2,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.02 : 4,810.62 = 1,914.14 : x
  2. Step 2: Convert to fraction form
    3,486.02/4,810.62 = 1,914.14/x
  3. Step 3: Cross multiply
    3,486.02x = 4,810.62 × 1,914.14
  4. Step 4: Simplify right side
    3,486.02x = 9,208,200.17
  5. Step 5: Solve for x
    x = 9,208,200.17/3,486.02
  6. Step 6: Final answer
    x = 2,641.47

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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.