Home / 5,889.60-8,119.25-4,210.40

Finding the Fourth Proportional to 5,889.60, 8,119.25 and 4,210.40

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Solution

The fourth proportional to 5,889.60, 8,119.25 and 4,210.40 is: 5,804.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.60 : 8,119.25 = 4,210.40 : x
  2. Step 2: Convert to fraction form
    5,889.60/8,119.25 = 4,210.40/x
  3. Step 3: Cross multiply
    5,889.60x = 8,119.25 × 4,210.40
  4. Step 4: Simplify right side
    5,889.60x = 34,185,247.72
  5. Step 5: Solve for x
    x = 34,185,247.72/5,889.60
  6. Step 6: Final answer
    x = 5,804.34

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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.