Home / 5,779.18-7,975.23-3,126.59

Finding the Fourth Proportional to 5,779.18, 7,975.23 and 3,126.59

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Solution

The fourth proportional to 5,779.18, 7,975.23 and 3,126.59 is: 4,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.18 : 7,975.23 = 3,126.59 : x
  2. Step 2: Convert to fraction form
    5,779.18/7,975.23 = 3,126.59/x
  3. Step 3: Cross multiply
    5,779.18x = 7,975.23 × 3,126.59
  4. Step 4: Simplify right side
    5,779.18x = 24,935,252.67
  5. Step 5: Solve for x
    x = 24,935,252.67/5,779.18
  6. Step 6: Final answer
    x = 4,314.67

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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.