Home / 5,020.96-6,931.06-3,133.48

Finding the Fourth Proportional to 5,020.96, 6,931.06 and 3,133.48

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Solution

The fourth proportional to 5,020.96, 6,931.06 and 3,133.48 is: 4,325.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.96 : 6,931.06 = 3,133.48 : x
  2. Step 2: Convert to fraction form
    5,020.96/6,931.06 = 3,133.48/x
  3. Step 3: Cross multiply
    5,020.96x = 6,931.06 × 3,133.48
  4. Step 4: Simplify right side
    5,020.96x = 21,718,337.89
  5. Step 5: Solve for x
    x = 21,718,337.89/5,020.96
  6. Step 6: Final answer
    x = 4,325.53

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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.