Home / 5,298.18-7,308.26-3,505.65

Finding the Fourth Proportional to 5,298.18, 7,308.26 and 3,505.65

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Solution

The fourth proportional to 5,298.18, 7,308.26 and 3,505.65 is: 4,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.18 : 7,308.26 = 3,505.65 : x
  2. Step 2: Convert to fraction form
    5,298.18/7,308.26 = 3,505.65/x
  3. Step 3: Cross multiply
    5,298.18x = 7,308.26 × 3,505.65
  4. Step 4: Simplify right side
    5,298.18x = 25,620,169.88
  5. Step 5: Solve for x
    x = 25,620,169.88/5,298.18
  6. Step 6: Final answer
    x = 4,835.66

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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.