Home / 6,191.40-9,289.04-1,808.96

Finding the Fourth Proportional to 6,191.40, 9,289.04 and 1,808.96

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Solution

The fourth proportional to 6,191.40, 9,289.04 and 1,808.96 is: 2,714.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.40 : 9,289.04 = 1,808.96 : x
  2. Step 2: Convert to fraction form
    6,191.40/9,289.04 = 1,808.96/x
  3. Step 3: Cross multiply
    6,191.40x = 9,289.04 × 1,808.96
  4. Step 4: Simplify right side
    6,191.40x = 16,803,501.80
  5. Step 5: Solve for x
    x = 16,803,501.80/6,191.40
  6. Step 6: Final answer
    x = 2,714.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.