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Finding the Fourth Proportional to 5,366.83, 7,405.80 and 3,008.65

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Solution

The fourth proportional to 5,366.83, 7,405.80 and 3,008.65 is: 4,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.83 : 7,405.80 = 3,008.65 : x
  2. Step 2: Convert to fraction form
    5,366.83/7,405.80 = 3,008.65/x
  3. Step 3: Cross multiply
    5,366.83x = 7,405.80 × 3,008.65
  4. Step 4: Simplify right side
    5,366.83x = 22,281,460.17
  5. Step 5: Solve for x
    x = 22,281,460.17/5,366.83
  6. Step 6: Final answer
    x = 4,151.70

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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.