Home / 7,275.84-10,039.26-4,131.48

Finding the Fourth Proportional to 7,275.84, 10,039.26 and 4,131.48

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Solution

The fourth proportional to 7,275.84, 10,039.26 and 4,131.48 is: 5,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.84 : 10,039.26 = 4,131.48 : x
  2. Step 2: Convert to fraction form
    7,275.84/10,039.26 = 4,131.48/x
  3. Step 3: Cross multiply
    7,275.84x = 10,039.26 × 4,131.48
  4. Step 4: Simplify right side
    7,275.84x = 41,477,001.90
  5. Step 5: Solve for x
    x = 41,477,001.90/7,275.84
  6. Step 6: Final answer
    x = 5,700.65

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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.