Home / 5,895.20-8,116.80-5,009.60

Finding the Fourth Proportional to 5,895.20, 8,116.80 and 5,009.60

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Solution

The fourth proportional to 5,895.20, 8,116.80 and 5,009.60 is: 6,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.20 : 8,116.80 = 5,009.60 : x
  2. Step 2: Convert to fraction form
    5,895.20/8,116.80 = 5,009.60/x
  3. Step 3: Cross multiply
    5,895.20x = 8,116.80 × 5,009.60
  4. Step 4: Simplify right side
    5,895.20x = 40,661,921.28
  5. Step 5: Solve for x
    x = 40,661,921.28/5,895.20
  6. Step 6: Final answer
    x = 6,897.46

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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.