Home / 3,931.73-5,897.66-3,148.10

Finding the Fourth Proportional to 3,931.73, 5,897.66 and 3,148.10

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Solution

The fourth proportional to 3,931.73, 5,897.66 and 3,148.10 is: 4,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.73 : 5,897.66 = 3,148.10 : x
  2. Step 2: Convert to fraction form
    3,931.73/5,897.66 = 3,148.10/x
  3. Step 3: Cross multiply
    3,931.73x = 5,897.66 × 3,148.10
  4. Step 4: Simplify right side
    3,931.73x = 18,566,423.45
  5. Step 5: Solve for x
    x = 18,566,423.45/3,931.73
  6. Step 6: Final answer
    x = 4,722.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.