Home / 5,095.96-7,641.42-1,808.56

Finding the Fourth Proportional to 5,095.96, 7,641.42 and 1,808.56

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Solution

The fourth proportional to 5,095.96, 7,641.42 and 1,808.56 is: 2,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.96 : 7,641.42 = 1,808.56 : x
  2. Step 2: Convert to fraction form
    5,095.96/7,641.42 = 1,808.56/x
  3. Step 3: Cross multiply
    5,095.96x = 7,641.42 × 1,808.56
  4. Step 4: Simplify right side
    5,095.96x = 13,819,966.56
  5. Step 5: Solve for x
    x = 13,819,966.56/5,095.96
  6. Step 6: Final answer
    x = 2,711.95

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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.