Home / 7,275.84-10,040.36-4,131.68

Finding the Fourth Proportional to 7,275.84, 10,040.36 and 4,131.68

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Solution

The fourth proportional to 7,275.84, 10,040.36 and 4,131.68 is: 5,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.84 : 10,040.36 = 4,131.68 : x
  2. Step 2: Convert to fraction form
    7,275.84/10,040.36 = 4,131.68/x
  3. Step 3: Cross multiply
    7,275.84x = 10,040.36 × 4,131.68
  4. Step 4: Simplify right side
    7,275.84x = 41,483,554.60
  5. Step 5: Solve for x
    x = 41,483,554.60/7,275.84
  6. Step 6: Final answer
    x = 5,701.55

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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.