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Finding the Fourth Proportional to 3,739.67, 5,609.57 and 1,547.00

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Solution

The fourth proportional to 3,739.67, 5,609.57 and 1,547.00 is: 2,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.67 : 5,609.57 = 1,547.00 : x
  2. Step 2: Convert to fraction form
    3,739.67/5,609.57 = 1,547.00/x
  3. Step 3: Cross multiply
    3,739.67x = 5,609.57 × 1,547.00
  4. Step 4: Simplify right side
    3,739.67x = 8,677,969.01
  5. Step 5: Solve for x
    x = 8,677,969.01/3,739.67
  6. Step 6: Final answer
    x = 2,320.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.