Home / 5,875.20-8,817.12-2,955.60

Finding the Fourth Proportional to 5,875.20, 8,817.12 and 2,955.60

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Solution

The fourth proportional to 5,875.20, 8,817.12 and 2,955.60 is: 4,435.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.20 : 8,817.12 = 2,955.60 : x
  2. Step 2: Convert to fraction form
    5,875.20/8,817.12 = 2,955.60/x
  3. Step 3: Cross multiply
    5,875.20x = 8,817.12 × 2,955.60
  4. Step 4: Simplify right side
    5,875.20x = 26,059,879.87
  5. Step 5: Solve for x
    x = 26,059,879.87/5,875.20
  6. Step 6: Final answer
    x = 4,435.57

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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.