Home / 5,724.18-7,916.76-5,134.50

Finding the Fourth Proportional to 5,724.18, 7,916.76 and 5,134.50

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Solution

The fourth proportional to 5,724.18, 7,916.76 and 5,134.50 is: 7,101.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.18 : 7,916.76 = 5,134.50 : x
  2. Step 2: Convert to fraction form
    5,724.18/7,916.76 = 5,134.50/x
  3. Step 3: Cross multiply
    5,724.18x = 7,916.76 × 5,134.50
  4. Step 4: Simplify right side
    5,724.18x = 40,648,604.22
  5. Step 5: Solve for x
    x = 40,648,604.22/5,724.18
  6. Step 6: Final answer
    x = 7,101.21

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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.