Home / 5,302.26-7,320.78-3,313.71

Finding the Fourth Proportional to 5,302.26, 7,320.78 and 3,313.71

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Solution

The fourth proportional to 5,302.26, 7,320.78 and 3,313.71 is: 4,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,302.26 : 7,320.78 = 3,313.71 : x
  2. Step 2: Convert to fraction form
    5,302.26/7,320.78 = 3,313.71/x
  3. Step 3: Cross multiply
    5,302.26x = 7,320.78 × 3,313.71
  4. Step 4: Simplify right side
    5,302.26x = 24,258,941.89
  5. Step 5: Solve for x
    x = 24,258,941.89/5,302.26
  6. Step 6: Final answer
    x = 4,575.21

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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.