Home / 5,705.08-7,862.34-4,109.02

Finding the Fourth Proportional to 5,705.08, 7,862.34 and 4,109.02

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Solution

The fourth proportional to 5,705.08, 7,862.34 and 4,109.02 is: 5,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.08 : 7,862.34 = 4,109.02 : x
  2. Step 2: Convert to fraction form
    5,705.08/7,862.34 = 4,109.02/x
  3. Step 3: Cross multiply
    5,705.08x = 7,862.34 × 4,109.02
  4. Step 4: Simplify right side
    5,705.08x = 32,306,512.31
  5. Step 5: Solve for x
    x = 32,306,512.31/5,705.08
  6. Step 6: Final answer
    x = 5,662.76

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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.