Home / 7,030.92-10,538.28-3,133.20

Finding the Fourth Proportional to 7,030.92, 10,538.28 and 3,133.20

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Solution

The fourth proportional to 7,030.92, 10,538.28 and 3,133.20 is: 4,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.92 : 10,538.28 = 3,133.20 : x
  2. Step 2: Convert to fraction form
    7,030.92/10,538.28 = 3,133.20/x
  3. Step 3: Cross multiply
    7,030.92x = 10,538.28 × 3,133.20
  4. Step 4: Simplify right side
    7,030.92x = 33,018,538.90
  5. Step 5: Solve for x
    x = 33,018,538.90/7,030.92
  6. Step 6: Final answer
    x = 4,696.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.