Home / 7,264.57-10,025.28-4,120.76

Finding the Fourth Proportional to 7,264.57, 10,025.28 and 4,120.76

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Solution

The fourth proportional to 7,264.57, 10,025.28 and 4,120.76 is: 5,686.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,264.57 : 10,025.28 = 4,120.76 : x
  2. Step 2: Convert to fraction form
    7,264.57/10,025.28 = 4,120.76/x
  3. Step 3: Cross multiply
    7,264.57x = 10,025.28 × 4,120.76
  4. Step 4: Simplify right side
    7,264.57x = 41,311,772.81
  5. Step 5: Solve for x
    x = 41,311,772.81/7,264.57
  6. Step 6: Final answer
    x = 5,686.75

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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.