Home / 5,065.94-7,602.30-1,779.06

Finding the Fourth Proportional to 5,065.94, 7,602.30 and 1,779.06

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Solution

The fourth proportional to 5,065.94, 7,602.30 and 1,779.06 is: 2,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.94 : 7,602.30 = 1,779.06 : x
  2. Step 2: Convert to fraction form
    5,065.94/7,602.30 = 1,779.06/x
  3. Step 3: Cross multiply
    5,065.94x = 7,602.30 × 1,779.06
  4. Step 4: Simplify right side
    5,065.94x = 13,524,947.84
  5. Step 5: Solve for x
    x = 13,524,947.84/5,065.94
  6. Step 6: Final answer
    x = 2,669.78

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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.