Home / 5,637.34-7,779.63-3,399.22

Finding the Fourth Proportional to 5,637.34, 7,779.63 and 3,399.22

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Solution

The fourth proportional to 5,637.34, 7,779.63 and 3,399.22 is: 4,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.34 : 7,779.63 = 3,399.22 : x
  2. Step 2: Convert to fraction form
    5,637.34/7,779.63 = 3,399.22/x
  3. Step 3: Cross multiply
    5,637.34x = 7,779.63 × 3,399.22
  4. Step 4: Simplify right side
    5,637.34x = 26,444,673.89
  5. Step 5: Solve for x
    x = 26,444,673.89/5,637.34
  6. Step 6: Final answer
    x = 4,690.98

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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.