Home / 7,361.79-10,152.28-5,680.53

Finding the Fourth Proportional to 7,361.79, 10,152.28 and 5,680.53

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Solution

The fourth proportional to 7,361.79, 10,152.28 and 5,680.53 is: 7,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.79 : 10,152.28 = 5,680.53 : x
  2. Step 2: Convert to fraction form
    7,361.79/10,152.28 = 5,680.53/x
  3. Step 3: Cross multiply
    7,361.79x = 10,152.28 × 5,680.53
  4. Step 4: Simplify right side
    7,361.79x = 57,670,331.11
  5. Step 5: Solve for x
    x = 57,670,331.11/7,361.79
  6. Step 6: Final answer
    x = 7,833.74

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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.