Home / 7,275.48-10,039.86-4,131.96

Finding the Fourth Proportional to 7,275.48, 10,039.86 and 4,131.96

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Solution

The fourth proportional to 7,275.48, 10,039.86 and 4,131.96 is: 5,701.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.48 : 10,039.86 = 4,131.96 : x
  2. Step 2: Convert to fraction form
    7,275.48/10,039.86 = 4,131.96/x
  3. Step 3: Cross multiply
    7,275.48x = 10,039.86 × 4,131.96
  4. Step 4: Simplify right side
    7,275.48x = 41,484,299.93
  5. Step 5: Solve for x
    x = 41,484,299.93/7,275.48
  6. Step 6: Final answer
    x = 5,701.93

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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.