Home / 3,558.47-4,911.10-2,066.45

Finding the Fourth Proportional to 3,558.47, 4,911.10 and 2,066.45

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Solution

The fourth proportional to 3,558.47, 4,911.10 and 2,066.45 is: 2,851.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.47 : 4,911.10 = 2,066.45 : x
  2. Step 2: Convert to fraction form
    3,558.47/4,911.10 = 2,066.45/x
  3. Step 3: Cross multiply
    3,558.47x = 4,911.10 × 2,066.45
  4. Step 4: Simplify right side
    3,558.47x = 10,148,512.87
  5. Step 5: Solve for x
    x = 10,148,512.87/3,558.47
  6. Step 6: Final answer
    x = 2,851.94

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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.