Home / 5,946.71-8,920.10-1,786.75

Finding the Fourth Proportional to 5,946.71, 8,920.10 and 1,786.75

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Solution

The fourth proportional to 5,946.71, 8,920.10 and 1,786.75 is: 2,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.71 : 8,920.10 = 1,786.75 : x
  2. Step 2: Convert to fraction form
    5,946.71/8,920.10 = 1,786.75/x
  3. Step 3: Cross multiply
    5,946.71x = 8,920.10 × 1,786.75
  4. Step 4: Simplify right side
    5,946.71x = 15,937,970.84
  5. Step 5: Solve for x
    x = 15,937,970.84/5,946.71
  6. Step 6: Final answer
    x = 2,680.13

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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.