Home / 5,109.91-7,058.60-4,004.80

Finding the Fourth Proportional to 5,109.91, 7,058.60 and 4,004.80

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Solution

The fourth proportional to 5,109.91, 7,058.60 and 4,004.80 is: 5,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.91 : 7,058.60 = 4,004.80 : x
  2. Step 2: Convert to fraction form
    5,109.91/7,058.60 = 4,004.80/x
  3. Step 3: Cross multiply
    5,109.91x = 7,058.60 × 4,004.80
  4. Step 4: Simplify right side
    5,109.91x = 28,268,281.28
  5. Step 5: Solve for x
    x = 28,268,281.28/5,109.91
  6. Step 6: Final answer
    x = 5,532.05

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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.