Home / 7,931.57-11,897.51-3,003.53

Finding the Fourth Proportional to 7,931.57, 11,897.51 and 3,003.53

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Solution

The fourth proportional to 7,931.57, 11,897.51 and 3,003.53 is: 4,505.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.57 : 11,897.51 = 3,003.53 : x
  2. Step 2: Convert to fraction form
    7,931.57/11,897.51 = 3,003.53/x
  3. Step 3: Cross multiply
    7,931.57x = 11,897.51 × 3,003.53
  4. Step 4: Simplify right side
    7,931.57x = 35,734,453.71
  5. Step 5: Solve for x
    x = 35,734,453.71/7,931.57
  6. Step 6: Final answer
    x = 4,505.35

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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.