Home / 5,275.99-7,279.63-3,037.15

Finding the Fourth Proportional to 5,275.99, 7,279.63 and 3,037.15

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Solution

The fourth proportional to 5,275.99, 7,279.63 and 3,037.15 is: 4,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.99 : 7,279.63 = 3,037.15 : x
  2. Step 2: Convert to fraction form
    5,275.99/7,279.63 = 3,037.15/x
  3. Step 3: Cross multiply
    5,275.99x = 7,279.63 × 3,037.15
  4. Step 4: Simplify right side
    5,275.99x = 22,109,328.25
  5. Step 5: Solve for x
    x = 22,109,328.25/5,275.99
  6. Step 6: Final answer
    x = 4,190.56

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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.