Home / 5,585.62-8,379.58-1,637.01

Finding the Fourth Proportional to 5,585.62, 8,379.58 and 1,637.01

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Solution

The fourth proportional to 5,585.62, 8,379.58 and 1,637.01 is: 2,455.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.62 : 8,379.58 = 1,637.01 : x
  2. Step 2: Convert to fraction form
    5,585.62/8,379.58 = 1,637.01/x
  3. Step 3: Cross multiply
    5,585.62x = 8,379.58 × 1,637.01
  4. Step 4: Simplify right side
    5,585.62x = 13,717,420.74
  5. Step 5: Solve for x
    x = 13,717,420.74/5,585.62
  6. Step 6: Final answer
    x = 2,455.85

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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.