Home / 5,124.76-7,070.86-3,134.59

Finding the Fourth Proportional to 5,124.76, 7,070.86 and 3,134.59

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Solution

The fourth proportional to 5,124.76, 7,070.86 and 3,134.59 is: 4,324.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.76 : 7,070.86 = 3,134.59 : x
  2. Step 2: Convert to fraction form
    5,124.76/7,070.86 = 3,134.59/x
  3. Step 3: Cross multiply
    5,124.76x = 7,070.86 × 3,134.59
  4. Step 4: Simplify right side
    5,124.76x = 22,164,233.29
  5. Step 5: Solve for x
    x = 22,164,233.29/5,124.76
  6. Step 6: Final answer
    x = 4,324.93

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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.