Home / 5,303.48-7,318.58-2,945.58

Finding the Fourth Proportional to 5,303.48, 7,318.58 and 2,945.58

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Solution

The fourth proportional to 5,303.48, 7,318.58 and 2,945.58 is: 4,064.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.48 : 7,318.58 = 2,945.58 : x
  2. Step 2: Convert to fraction form
    5,303.48/7,318.58 = 2,945.58/x
  3. Step 3: Cross multiply
    5,303.48x = 7,318.58 × 2,945.58
  4. Step 4: Simplify right side
    5,303.48x = 21,557,462.88
  5. Step 5: Solve for x
    x = 21,557,462.88/5,303.48
  6. Step 6: Final answer
    x = 4,064.78

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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.