Home / 7,278.66-10,042.25-4,295.52

Finding the Fourth Proportional to 7,278.66, 10,042.25 and 4,295.52

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Solution

The fourth proportional to 7,278.66, 10,042.25 and 4,295.52 is: 5,926.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.66 : 10,042.25 = 4,295.52 : x
  2. Step 2: Convert to fraction form
    7,278.66/10,042.25 = 4,295.52/x
  3. Step 3: Cross multiply
    7,278.66x = 10,042.25 × 4,295.52
  4. Step 4: Simplify right side
    7,278.66x = 43,136,664.24
  5. Step 5: Solve for x
    x = 43,136,664.24/7,278.66
  6. Step 6: Final answer
    x = 5,926.46

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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.