Home / 7,493.30-10,340.60-4,135.91

Finding the Fourth Proportional to 7,493.30, 10,340.60 and 4,135.91

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Solution

The fourth proportional to 7,493.30, 10,340.60 and 4,135.91 is: 5,707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,493.30 : 10,340.60 = 4,135.91 : x
  2. Step 2: Convert to fraction form
    7,493.30/10,340.60 = 4,135.91/x
  3. Step 3: Cross multiply
    7,493.30x = 10,340.60 × 4,135.91
  4. Step 4: Simplify right side
    7,493.30x = 42,767,827.14
  5. Step 5: Solve for x
    x = 42,767,827.14/7,493.30
  6. Step 6: Final answer
    x = 5,707.48

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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.