Home / 5,590.30-8,376.47-4,102.60

Finding the Fourth Proportional to 5,590.30, 8,376.47 and 4,102.60

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Solution

The fourth proportional to 5,590.30, 8,376.47 and 4,102.60 is: 6,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.30 : 8,376.47 = 4,102.60 : x
  2. Step 2: Convert to fraction form
    5,590.30/8,376.47 = 4,102.60/x
  3. Step 3: Cross multiply
    5,590.30x = 8,376.47 × 4,102.60
  4. Step 4: Simplify right side
    5,590.30x = 34,365,305.82
  5. Step 5: Solve for x
    x = 34,365,305.82/5,590.30
  6. Step 6: Final answer
    x = 6,147.31

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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.