Home / 6,181.51-8,530.50-3,387.01

Finding the Fourth Proportional to 6,181.51, 8,530.50 and 3,387.01

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Solution

The fourth proportional to 6,181.51, 8,530.50 and 3,387.01 is: 4,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.51 : 8,530.50 = 3,387.01 : x
  2. Step 2: Convert to fraction form
    6,181.51/8,530.50 = 3,387.01/x
  3. Step 3: Cross multiply
    6,181.51x = 8,530.50 × 3,387.01
  4. Step 4: Simplify right side
    6,181.51x = 28,892,888.81
  5. Step 5: Solve for x
    x = 28,892,888.81/6,181.51
  6. Step 6: Final answer
    x = 4,674.08

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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.