Home / 5,707.78-8,561.70-2,423.16

Finding the Fourth Proportional to 5,707.78, 8,561.70 and 2,423.16

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Solution

The fourth proportional to 5,707.78, 8,561.70 and 2,423.16 is: 3,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,707.78 : 8,561.70 = 2,423.16 : x
  2. Step 2: Convert to fraction form
    5,707.78/8,561.70 = 2,423.16/x
  3. Step 3: Cross multiply
    5,707.78x = 8,561.70 × 2,423.16
  4. Step 4: Simplify right side
    5,707.78x = 20,746,368.97
  5. Step 5: Solve for x
    x = 20,746,368.97/5,707.78
  6. Step 6: Final answer
    x = 3,634.75

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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.