Home / 5,306.90-7,317.48-3,390.14

Finding the Fourth Proportional to 5,306.90, 7,317.48 and 3,390.14

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Solution

The fourth proportional to 5,306.90, 7,317.48 and 3,390.14 is: 4,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.90 : 7,317.48 = 3,390.14 : x
  2. Step 2: Convert to fraction form
    5,306.90/7,317.48 = 3,390.14/x
  3. Step 3: Cross multiply
    5,306.90x = 7,317.48 × 3,390.14
  4. Step 4: Simplify right side
    5,306.90x = 24,807,281.65
  5. Step 5: Solve for x
    x = 24,807,281.65/5,306.90
  6. Step 6: Final answer
    x = 4,674.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.