Home / 7,045.28-10,568.56-2,114.72

Finding the Fourth Proportional to 7,045.28, 10,568.56 and 2,114.72

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Solution

The fourth proportional to 7,045.28, 10,568.56 and 2,114.72 is: 3,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.28 : 10,568.56 = 2,114.72 : x
  2. Step 2: Convert to fraction form
    7,045.28/10,568.56 = 2,114.72/x
  3. Step 3: Cross multiply
    7,045.28x = 10,568.56 × 2,114.72
  4. Step 4: Simplify right side
    7,045.28x = 22,349,545.20
  5. Step 5: Solve for x
    x = 22,349,545.20/7,045.28
  6. Step 6: Final answer
    x = 3,172.27

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1.5x scale

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.