Home / 5,313.28-7,335.75-3,425.71

Finding the Fourth Proportional to 5,313.28, 7,335.75 and 3,425.71

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Solution

The fourth proportional to 5,313.28, 7,335.75 and 3,425.71 is: 4,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.28 : 7,335.75 = 3,425.71 : x
  2. Step 2: Convert to fraction form
    5,313.28/7,335.75 = 3,425.71/x
  3. Step 3: Cross multiply
    5,313.28x = 7,335.75 × 3,425.71
  4. Step 4: Simplify right side
    5,313.28x = 25,130,152.13
  5. Step 5: Solve for x
    x = 25,130,152.13/5,313.28
  6. Step 6: Final answer
    x = 4,729.69

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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.