Home / 5,143.08-7,101.54-4,749.96

Finding the Fourth Proportional to 5,143.08, 7,101.54 and 4,749.96

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Solution

The fourth proportional to 5,143.08, 7,101.54 and 4,749.96 is: 6,558.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.08 : 7,101.54 = 4,749.96 : x
  2. Step 2: Convert to fraction form
    5,143.08/7,101.54 = 4,749.96/x
  3. Step 3: Cross multiply
    5,143.08x = 7,101.54 × 4,749.96
  4. Step 4: Simplify right side
    5,143.08x = 33,732,030.94
  5. Step 5: Solve for x
    x = 33,732,030.94/5,143.08
  6. Step 6: Final answer
    x = 6,558.72

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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.