Home / 7,322.38-10,102.54-4,488.28

Finding the Fourth Proportional to 7,322.38, 10,102.54 and 4,488.28

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Solution

The fourth proportional to 7,322.38, 10,102.54 and 4,488.28 is: 6,192.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.38 : 10,102.54 = 4,488.28 : x
  2. Step 2: Convert to fraction form
    7,322.38/10,102.54 = 4,488.28/x
  3. Step 3: Cross multiply
    7,322.38x = 10,102.54 × 4,488.28
  4. Step 4: Simplify right side
    7,322.38x = 45,343,028.23
  5. Step 5: Solve for x
    x = 45,343,028.23/7,322.38
  6. Step 6: Final answer
    x = 6,192.39

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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.