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Finding the Fourth Proportional to 3,347.76, 5,015.12 and 1,590.27

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Solution

The fourth proportional to 3,347.76, 5,015.12 and 1,590.27 is: 2,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.76 : 5,015.12 = 1,590.27 : x
  2. Step 2: Convert to fraction form
    3,347.76/5,015.12 = 1,590.27/x
  3. Step 3: Cross multiply
    3,347.76x = 5,015.12 × 1,590.27
  4. Step 4: Simplify right side
    3,347.76x = 7,975,368.12
  5. Step 5: Solve for x
    x = 7,975,368.12/3,347.76
  6. Step 6: Final answer
    x = 2,382.30

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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.