Home / 5,303.17-7,318.52-3,177.97

Finding the Fourth Proportional to 5,303.17, 7,318.52 and 3,177.97

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Solution

The fourth proportional to 5,303.17, 7,318.52 and 3,177.97 is: 4,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.17 : 7,318.52 = 3,177.97 : x
  2. Step 2: Convert to fraction form
    5,303.17/7,318.52 = 3,177.97/x
  3. Step 3: Cross multiply
    5,303.17x = 7,318.52 × 3,177.97
  4. Step 4: Simplify right side
    5,303.17x = 23,258,014.74
  5. Step 5: Solve for x
    x = 23,258,014.74/5,303.17
  6. Step 6: Final answer
    x = 4,385.68

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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.