Home / 7,457.82-10,291.66-4,100.60

Finding the Fourth Proportional to 7,457.82, 10,291.66 and 4,100.60

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Solution

The fourth proportional to 7,457.82, 10,291.66 and 4,100.60 is: 5,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.82 : 10,291.66 = 4,100.60 : x
  2. Step 2: Convert to fraction form
    7,457.82/10,291.66 = 4,100.60/x
  3. Step 3: Cross multiply
    7,457.82x = 10,291.66 × 4,100.60
  4. Step 4: Simplify right side
    7,457.82x = 42,201,981.00
  5. Step 5: Solve for x
    x = 42,201,981.00/7,457.82
  6. Step 6: Final answer
    x = 5,658.76

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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.