Home / 3,557.02-4,907.70-2,298.13

Finding the Fourth Proportional to 3,557.02, 4,907.70 and 2,298.13

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Solution

The fourth proportional to 3,557.02, 4,907.70 and 2,298.13 is: 3,170.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.02 : 4,907.70 = 2,298.13 : x
  2. Step 2: Convert to fraction form
    3,557.02/4,907.70 = 2,298.13/x
  3. Step 3: Cross multiply
    3,557.02x = 4,907.70 × 2,298.13
  4. Step 4: Simplify right side
    3,557.02x = 11,278,520.33
  5. Step 5: Solve for x
    x = 11,278,520.33/3,557.02
  6. Step 6: Final answer
    x = 3,170.78

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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.