Home / 5,901.60-8,852.40-3,712.80

Finding the Fourth Proportional to 5,901.60, 8,852.40 and 3,712.80

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Solution

The fourth proportional to 5,901.60, 8,852.40 and 3,712.80 is: 5,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,901.60 : 8,852.40 = 3,712.80 : x
  2. Step 2: Convert to fraction form
    5,901.60/8,852.40 = 3,712.80/x
  3. Step 3: Cross multiply
    5,901.60x = 8,852.40 × 3,712.80
  4. Step 4: Simplify right side
    5,901.60x = 32,867,190.72
  5. Step 5: Solve for x
    x = 32,867,190.72/5,901.60
  6. Step 6: Final answer
    x = 5,569.20

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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.