Home / 5,637.19-7,777.72-3,247.04

Finding the Fourth Proportional to 5,637.19, 7,777.72 and 3,247.04

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Solution

The fourth proportional to 5,637.19, 7,777.72 and 3,247.04 is: 4,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.19 : 7,777.72 = 3,247.04 : x
  2. Step 2: Convert to fraction form
    5,637.19/7,777.72 = 3,247.04/x
  3. Step 3: Cross multiply
    5,637.19x = 7,777.72 × 3,247.04
  4. Step 4: Simplify right side
    5,637.19x = 25,254,567.95
  5. Step 5: Solve for x
    x = 25,254,567.95/5,637.19
  6. Step 6: Final answer
    x = 4,479.99

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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.