Home / 5,233.28-7,815.85-4,688.96

Finding the Fourth Proportional to 5,233.28, 7,815.85 and 4,688.96

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Solution

The fourth proportional to 5,233.28, 7,815.85 and 4,688.96 is: 7,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.28 : 7,815.85 = 4,688.96 : x
  2. Step 2: Convert to fraction form
    5,233.28/7,815.85 = 4,688.96/x
  3. Step 3: Cross multiply
    5,233.28x = 7,815.85 × 4,688.96
  4. Step 4: Simplify right side
    5,233.28x = 36,648,208.02
  5. Step 5: Solve for x
    x = 36,648,208.02/5,233.28
  6. Step 6: Final answer
    x = 7,002.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.