Home / 5,445.02-7,513.86-3,087.92

Finding the Fourth Proportional to 5,445.02, 7,513.86 and 3,087.92

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Solution

The fourth proportional to 5,445.02, 7,513.86 and 3,087.92 is: 4,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.02 : 7,513.86 = 3,087.92 : x
  2. Step 2: Convert to fraction form
    5,445.02/7,513.86 = 3,087.92/x
  3. Step 3: Cross multiply
    5,445.02x = 7,513.86 × 3,087.92
  4. Step 4: Simplify right side
    5,445.02x = 23,202,228.94
  5. Step 5: Solve for x
    x = 23,202,228.94/5,445.02
  6. Step 6: Final answer
    x = 4,261.18

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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.