Home / 5,537.12-7,637.90-4,043.21

Finding the Fourth Proportional to 5,537.12, 7,637.90 and 4,043.21

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Solution

The fourth proportional to 5,537.12, 7,637.90 and 4,043.21 is: 5,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.12 : 7,637.90 = 4,043.21 : x
  2. Step 2: Convert to fraction form
    5,537.12/7,637.90 = 4,043.21/x
  3. Step 3: Cross multiply
    5,537.12x = 7,637.90 × 4,043.21
  4. Step 4: Simplify right side
    5,537.12x = 30,881,575.25
  5. Step 5: Solve for x
    x = 30,881,575.25/5,537.12
  6. Step 6: Final answer
    x = 5,577.20

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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.