Home / 3,090.31-4,264.21-1,763.93

Finding the Fourth Proportional to 3,090.31, 4,264.21 and 1,763.93

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Solution

The fourth proportional to 3,090.31, 4,264.21 and 1,763.93 is: 2,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.31 : 4,264.21 = 1,763.93 : x
  2. Step 2: Convert to fraction form
    3,090.31/4,264.21 = 1,763.93/x
  3. Step 3: Cross multiply
    3,090.31x = 4,264.21 × 1,763.93
  4. Step 4: Simplify right side
    3,090.31x = 7,521,767.95
  5. Step 5: Solve for x
    x = 7,521,767.95/3,090.31
  6. Step 6: Final answer
    x = 2,433.98

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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.