Home / 7,561.20-10,434.40-4,204.32

Finding the Fourth Proportional to 7,561.20, 10,434.40 and 4,204.32

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Solution

The fourth proportional to 7,561.20, 10,434.40 and 4,204.32 is: 5,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.20 : 10,434.40 = 4,204.32 : x
  2. Step 2: Convert to fraction form
    7,561.20/10,434.40 = 4,204.32/x
  3. Step 3: Cross multiply
    7,561.20x = 10,434.40 × 4,204.32
  4. Step 4: Simplify right side
    7,561.20x = 43,869,556.61
  5. Step 5: Solve for x
    x = 43,869,556.61/7,561.20
  6. Step 6: Final answer
    x = 5,801.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.