Home / 6,187.54-8,539.28-3,535.06

Finding the Fourth Proportional to 6,187.54, 8,539.28 and 3,535.06

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Solution

The fourth proportional to 6,187.54, 8,539.28 and 3,535.06 is: 4,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.54 : 8,539.28 = 3,535.06 : x
  2. Step 2: Convert to fraction form
    6,187.54/8,539.28 = 3,535.06/x
  3. Step 3: Cross multiply
    6,187.54x = 8,539.28 × 3,535.06
  4. Step 4: Simplify right side
    6,187.54x = 30,186,849.48
  5. Step 5: Solve for x
    x = 30,186,849.48/6,187.54
  6. Step 6: Final answer
    x = 4,878.65

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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.