Home / 7,278.30-10,042.44-5,036.58

Finding the Fourth Proportional to 7,278.30, 10,042.44 and 5,036.58

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Solution

The fourth proportional to 7,278.30, 10,042.44 and 5,036.58 is: 6,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.30 : 10,042.44 = 5,036.58 : x
  2. Step 2: Convert to fraction form
    7,278.30/10,042.44 = 5,036.58/x
  3. Step 3: Cross multiply
    7,278.30x = 10,042.44 × 5,036.58
  4. Step 4: Simplify right side
    7,278.30x = 50,579,552.46
  5. Step 5: Solve for x
    x = 50,579,552.46/7,278.30
  6. Step 6: Final answer
    x = 6,949.36

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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.