Home / 7,275.66-10,045.11-5,679.55

Finding the Fourth Proportional to 7,275.66, 10,045.11 and 5,679.55

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Solution

The fourth proportional to 7,275.66, 10,045.11 and 5,679.55 is: 7,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.66 : 10,045.11 = 5,679.55 : x
  2. Step 2: Convert to fraction form
    7,275.66/10,045.11 = 5,679.55/x
  3. Step 3: Cross multiply
    7,275.66x = 10,045.11 × 5,679.55
  4. Step 4: Simplify right side
    7,275.66x = 57,051,738.36
  5. Step 5: Solve for x
    x = 57,051,738.36/7,275.66
  6. Step 6: Final answer
    x = 7,841.46

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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.