Home / 5,317.60-7,980.65-2,396.13

Finding the Fourth Proportional to 5,317.60, 7,980.65 and 2,396.13

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Solution

The fourth proportional to 5,317.60, 7,980.65 and 2,396.13 is: 3,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.60 : 7,980.65 = 2,396.13 : x
  2. Step 2: Convert to fraction form
    5,317.60/7,980.65 = 2,396.13/x
  3. Step 3: Cross multiply
    5,317.60x = 7,980.65 × 2,396.13
  4. Step 4: Simplify right side
    5,317.60x = 19,122,671.89
  5. Step 5: Solve for x
    x = 19,122,671.89/5,317.60
  6. Step 6: Final answer
    x = 3,596.11

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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.