Home / 4,187.01-5,778.82-3,130.08

Finding the Fourth Proportional to 4,187.01, 5,778.82 and 3,130.08

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Solution

The fourth proportional to 4,187.01, 5,778.82 and 3,130.08 is: 4,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.01 : 5,778.82 = 3,130.08 : x
  2. Step 2: Convert to fraction form
    4,187.01/5,778.82 = 3,130.08/x
  3. Step 3: Cross multiply
    4,187.01x = 5,778.82 × 3,130.08
  4. Step 4: Simplify right side
    4,187.01x = 18,088,151.15
  5. Step 5: Solve for x
    x = 18,088,151.15/4,187.01
  6. Step 6: Final answer
    x = 4,320.06

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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.