Home / 3,503.74-4,835.01-1,931.62

Finding the Fourth Proportional to 3,503.74, 4,835.01 and 1,931.62

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Solution

The fourth proportional to 3,503.74, 4,835.01 and 1,931.62 is: 2,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.74 : 4,835.01 = 1,931.62 : x
  2. Step 2: Convert to fraction form
    3,503.74/4,835.01 = 1,931.62/x
  3. Step 3: Cross multiply
    3,503.74x = 4,835.01 × 1,931.62
  4. Step 4: Simplify right side
    3,503.74x = 9,339,402.02
  5. Step 5: Solve for x
    x = 9,339,402.02/3,503.74
  6. Step 6: Final answer
    x = 2,665.55

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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.