Home / 5,426.24-8,100.09-4,770.16

Finding the Fourth Proportional to 5,426.24, 8,100.09 and 4,770.16

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Solution

The fourth proportional to 5,426.24, 8,100.09 and 4,770.16 is: 7,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.24 : 8,100.09 = 4,770.16 : x
  2. Step 2: Convert to fraction form
    5,426.24/8,100.09 = 4,770.16/x
  3. Step 3: Cross multiply
    5,426.24x = 8,100.09 × 4,770.16
  4. Step 4: Simplify right side
    5,426.24x = 38,638,725.31
  5. Step 5: Solve for x
    x = 38,638,725.31/5,426.24
  6. Step 6: Final answer
    x = 7,120.72

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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.