Home / 5,653.19-8,478.88-1,756.69

Finding the Fourth Proportional to 5,653.19, 8,478.88 and 1,756.69

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Solution

The fourth proportional to 5,653.19, 8,478.88 and 1,756.69 is: 2,634.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.19 : 8,478.88 = 1,756.69 : x
  2. Step 2: Convert to fraction form
    5,653.19/8,478.88 = 1,756.69/x
  3. Step 3: Cross multiply
    5,653.19x = 8,478.88 × 1,756.69
  4. Step 4: Simplify right side
    5,653.19x = 14,894,738.12
  5. Step 5: Solve for x
    x = 14,894,738.12/5,653.19
  6. Step 6: Final answer
    x = 2,634.75

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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.