Home / 5,398.87-8,084.26-5,070.51

Finding the Fourth Proportional to 5,398.87, 8,084.26 and 5,070.51

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Solution

The fourth proportional to 5,398.87, 8,084.26 and 5,070.51 is: 7,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.87 : 8,084.26 = 5,070.51 : x
  2. Step 2: Convert to fraction form
    5,398.87/8,084.26 = 5,070.51/x
  3. Step 3: Cross multiply
    5,398.87x = 8,084.26 × 5,070.51
  4. Step 4: Simplify right side
    5,398.87x = 40,991,321.17
  5. Step 5: Solve for x
    x = 40,991,321.17/5,398.87
  6. Step 6: Final answer
    x = 7,592.57

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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.