Home / 5,712.24-8,566.53-1,815.74

Finding the Fourth Proportional to 5,712.24, 8,566.53 and 1,815.74

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Solution

The fourth proportional to 5,712.24, 8,566.53 and 1,815.74 is: 2,723.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.24 : 8,566.53 = 1,815.74 : x
  2. Step 2: Convert to fraction form
    5,712.24/8,566.53 = 1,815.74/x
  3. Step 3: Cross multiply
    5,712.24x = 8,566.53 × 1,815.74
  4. Step 4: Simplify right side
    5,712.24x = 15,554,541.54
  5. Step 5: Solve for x
    x = 15,554,541.54/5,712.24
  6. Step 6: Final answer
    x = 2,723.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.