Home / 5,215.16-7,193.12-4,901.70

Finding the Fourth Proportional to 5,215.16, 7,193.12 and 4,901.70

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Solution

The fourth proportional to 5,215.16, 7,193.12 and 4,901.70 is: 6,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.16 : 7,193.12 = 4,901.70 : x
  2. Step 2: Convert to fraction form
    5,215.16/7,193.12 = 4,901.70/x
  3. Step 3: Cross multiply
    5,215.16x = 7,193.12 × 4,901.70
  4. Step 4: Simplify right side
    5,215.16x = 35,258,516.30
  5. Step 5: Solve for x
    x = 35,258,516.30/5,215.16
  6. Step 6: Final answer
    x = 6,760.77

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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.