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Finding the Fourth Proportional to 5,870.85, 8,807.25 and 2,173.08

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Solution

The fourth proportional to 5,870.85, 8,807.25 and 2,173.08 is: 3,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.85 : 8,807.25 = 2,173.08 : x
  2. Step 2: Convert to fraction form
    5,870.85/8,807.25 = 2,173.08/x
  3. Step 3: Cross multiply
    5,870.85x = 8,807.25 × 2,173.08
  4. Step 4: Simplify right side
    5,870.85x = 19,138,858.83
  5. Step 5: Solve for x
    x = 19,138,858.83/5,870.85
  6. Step 6: Final answer
    x = 3,259.98

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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.