Home / 5,298.99-7,314.68-3,976.53

Finding the Fourth Proportional to 5,298.99, 7,314.68 and 3,976.53

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Solution

The fourth proportional to 5,298.99, 7,314.68 and 3,976.53 is: 5,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.99 : 7,314.68 = 3,976.53 : x
  2. Step 2: Convert to fraction form
    5,298.99/7,314.68 = 3,976.53/x
  3. Step 3: Cross multiply
    5,298.99x = 7,314.68 × 3,976.53
  4. Step 4: Simplify right side
    5,298.99x = 29,087,024.58
  5. Step 5: Solve for x
    x = 29,087,024.58/5,298.99
  6. Step 6: Final answer
    x = 5,489.16

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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.