Home / 5,428.19-7,491.04-3,038.14

Finding the Fourth Proportional to 5,428.19, 7,491.04 and 3,038.14

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Solution

The fourth proportional to 5,428.19, 7,491.04 and 3,038.14 is: 4,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428.19 : 7,491.04 = 3,038.14 : x
  2. Step 2: Convert to fraction form
    5,428.19/7,491.04 = 3,038.14/x
  3. Step 3: Cross multiply
    5,428.19x = 7,491.04 × 3,038.14
  4. Step 4: Simplify right side
    5,428.19x = 22,758,844.08
  5. Step 5: Solve for x
    x = 22,758,844.08/5,428.19
  6. Step 6: Final answer
    x = 4,192.71

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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.