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Finding the Fourth Proportional to 5,873.36, 8,810.35 and 1,490.86

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Solution

The fourth proportional to 5,873.36, 8,810.35 and 1,490.86 is: 2,236.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.36 : 8,810.35 = 1,490.86 : x
  2. Step 2: Convert to fraction form
    5,873.36/8,810.35 = 1,490.86/x
  3. Step 3: Cross multiply
    5,873.36x = 8,810.35 × 1,490.86
  4. Step 4: Simplify right side
    5,873.36x = 13,134,972.65
  5. Step 5: Solve for x
    x = 13,134,972.65/5,873.36
  6. Step 6: Final answer
    x = 2,236.36

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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.