Home / 5,434.51-8,147.85-4,377.46

Finding the Fourth Proportional to 5,434.51, 8,147.85 and 4,377.46

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Solution

The fourth proportional to 5,434.51, 8,147.85 and 4,377.46 is: 6,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.51 : 8,147.85 = 4,377.46 : x
  2. Step 2: Convert to fraction form
    5,434.51/8,147.85 = 4,377.46/x
  3. Step 3: Cross multiply
    5,434.51x = 8,147.85 × 4,377.46
  4. Step 4: Simplify right side
    5,434.51x = 35,666,887.46
  5. Step 5: Solve for x
    x = 35,666,887.46/5,434.51
  6. Step 6: Final answer
    x = 6,563.04

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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.