Home / 3,573.78-4,931.46-2,001.84

Finding the Fourth Proportional to 3,573.78, 4,931.46 and 2,001.84

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Solution

The fourth proportional to 3,573.78, 4,931.46 and 2,001.84 is: 2,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,573.78 : 4,931.46 = 2,001.84 : x
  2. Step 2: Convert to fraction form
    3,573.78/4,931.46 = 2,001.84/x
  3. Step 3: Cross multiply
    3,573.78x = 4,931.46 × 2,001.84
  4. Step 4: Simplify right side
    3,573.78x = 9,871,993.89
  5. Step 5: Solve for x
    x = 9,871,993.89/3,573.78
  6. Step 6: Final answer
    x = 2,762.34

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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.