Home / 5,805.60-8,708.40-4,158.60

Finding the Fourth Proportional to 5,805.60, 8,708.40 and 4,158.60

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Solution

The fourth proportional to 5,805.60, 8,708.40 and 4,158.60 is: 6,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.60 : 8,708.40 = 4,158.60 : x
  2. Step 2: Convert to fraction form
    5,805.60/8,708.40 = 4,158.60/x
  3. Step 3: Cross multiply
    5,805.60x = 8,708.40 × 4,158.60
  4. Step 4: Simplify right side
    5,805.60x = 36,214,752.24
  5. Step 5: Solve for x
    x = 36,214,752.24/5,805.60
  6. Step 6: Final answer
    x = 6,237.90

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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.