Home / 7,275.84-10,040.37-4,291.80

Finding the Fourth Proportional to 7,275.84, 10,040.37 and 4,291.80

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Solution

The fourth proportional to 7,275.84, 10,040.37 and 4,291.80 is: 5,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.84 : 10,040.37 = 4,291.80 : x
  2. Step 2: Convert to fraction form
    7,275.84/10,040.37 = 4,291.80/x
  3. Step 3: Cross multiply
    7,275.84x = 10,040.37 × 4,291.80
  4. Step 4: Simplify right side
    7,275.84x = 43,091,259.97
  5. Step 5: Solve for x
    x = 43,091,259.97/7,275.84
  6. Step 6: Final answer
    x = 5,922.51

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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.