Home / 7,275.36-10,037.16-4,131.12

Finding the Fourth Proportional to 7,275.36, 10,037.16 and 4,131.12

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Solution

The fourth proportional to 7,275.36, 10,037.16 and 4,131.12 is: 5,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.36 : 10,037.16 = 4,131.12 : x
  2. Step 2: Convert to fraction form
    7,275.36/10,037.16 = 4,131.12/x
  3. Step 3: Cross multiply
    7,275.36x = 10,037.16 × 4,131.12
  4. Step 4: Simplify right side
    7,275.36x = 41,464,712.42
  5. Step 5: Solve for x
    x = 41,464,712.42/7,275.36
  6. Step 6: Final answer
    x = 5,699.33

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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.