Home / 5,909.60-8,866.80-2,015.12

Finding the Fourth Proportional to 5,909.60, 8,866.80 and 2,015.12

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Solution

The fourth proportional to 5,909.60, 8,866.80 and 2,015.12 is: 3,023.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.60 : 8,866.80 = 2,015.12 : x
  2. Step 2: Convert to fraction form
    5,909.60/8,866.80 = 2,015.12/x
  3. Step 3: Cross multiply
    5,909.60x = 8,866.80 × 2,015.12
  4. Step 4: Simplify right side
    5,909.60x = 17,867,666.02
  5. Step 5: Solve for x
    x = 17,867,666.02/5,909.60
  6. Step 6: Final answer
    x = 3,023.50

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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.