Home / 7,361.48-10,158.31-4,378.35

Finding the Fourth Proportional to 7,361.48, 10,158.31 and 4,378.35

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Solution

The fourth proportional to 7,361.48, 10,158.31 and 4,378.35 is: 6,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.48 : 10,158.31 = 4,378.35 : x
  2. Step 2: Convert to fraction form
    7,361.48/10,158.31 = 4,378.35/x
  3. Step 3: Cross multiply
    7,361.48x = 10,158.31 × 4,378.35
  4. Step 4: Simplify right side
    7,361.48x = 44,476,680.16
  5. Step 5: Solve for x
    x = 44,476,680.16/7,361.48
  6. Step 6: Final answer
    x = 6,041.81

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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.