Home / 5,117.54-7,062.12-2,848.86

Finding the Fourth Proportional to 5,117.54, 7,062.12 and 2,848.86

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Solution

The fourth proportional to 5,117.54, 7,062.12 and 2,848.86 is: 3,931.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.54 : 7,062.12 = 2,848.86 : x
  2. Step 2: Convert to fraction form
    5,117.54/7,062.12 = 2,848.86/x
  3. Step 3: Cross multiply
    5,117.54x = 7,062.12 × 2,848.86
  4. Step 4: Simplify right side
    5,117.54x = 20,118,991.18
  5. Step 5: Solve for x
    x = 20,118,991.18/5,117.54
  6. Step 6: Final answer
    x = 3,931.38

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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.