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Finding the Fourth Proportional to 3,697.92, 5,547.15 and 1,164.80

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Solution

The fourth proportional to 3,697.92, 5,547.15 and 1,164.80 is: 1,747.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.92 : 5,547.15 = 1,164.80 : x
  2. Step 2: Convert to fraction form
    3,697.92/5,547.15 = 1,164.80/x
  3. Step 3: Cross multiply
    3,697.92x = 5,547.15 × 1,164.80
  4. Step 4: Simplify right side
    3,697.92x = 6,461,320.32
  5. Step 5: Solve for x
    x = 6,461,320.32/3,697.92
  6. Step 6: Final answer
    x = 1,747.29

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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.