Home / 7,508.60-10,361.45-4,151.21

Finding the Fourth Proportional to 7,508.60, 10,361.45 and 4,151.21

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Solution

The fourth proportional to 7,508.60, 10,361.45 and 4,151.21 is: 5,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,508.60 : 10,361.45 = 4,151.21 : x
  2. Step 2: Convert to fraction form
    7,508.60/10,361.45 = 4,151.21/x
  3. Step 3: Cross multiply
    7,508.60x = 10,361.45 × 4,151.21
  4. Step 4: Simplify right side
    7,508.60x = 43,012,482.29
  5. Step 5: Solve for x
    x = 43,012,482.29/7,508.60
  6. Step 6: Final answer
    x = 5,728.43

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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.