Home / 6,005.76-8,289.60-4,237.68

Finding the Fourth Proportional to 6,005.76, 8,289.60 and 4,237.68

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Solution

The fourth proportional to 6,005.76, 8,289.60 and 4,237.68 is: 5,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,005.76 : 8,289.60 = 4,237.68 : x
  2. Step 2: Convert to fraction form
    6,005.76/8,289.60 = 4,237.68/x
  3. Step 3: Cross multiply
    6,005.76x = 8,289.60 × 4,237.68
  4. Step 4: Simplify right side
    6,005.76x = 35,128,672.13
  5. Step 5: Solve for x
    x = 35,128,672.13/6,005.76
  6. Step 6: Final answer
    x = 5,849.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.