Home / 7,435.72-10,261.18-4,078.53

Finding the Fourth Proportional to 7,435.72, 10,261.18 and 4,078.53

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Solution

The fourth proportional to 7,435.72, 10,261.18 and 4,078.53 is: 5,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.72 : 10,261.18 = 4,078.53 : x
  2. Step 2: Convert to fraction form
    7,435.72/10,261.18 = 4,078.53/x
  3. Step 3: Cross multiply
    7,435.72x = 10,261.18 × 4,078.53
  4. Step 4: Simplify right side
    7,435.72x = 41,850,506.70
  5. Step 5: Solve for x
    x = 41,850,506.70/7,435.72
  6. Step 6: Final answer
    x = 5,628.30

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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.