Home / 2,392.02-3,300.48-1,396.85

Finding the Fourth Proportional to 2,392.02, 3,300.48 and 1,396.85

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Solution

The fourth proportional to 2,392.02, 3,300.48 and 1,396.85 is: 1,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.02 : 3,300.48 = 1,396.85 : x
  2. Step 2: Convert to fraction form
    2,392.02/3,300.48 = 1,396.85/x
  3. Step 3: Cross multiply
    2,392.02x = 3,300.48 × 1,396.85
  4. Step 4: Simplify right side
    2,392.02x = 4,610,275.49
  5. Step 5: Solve for x
    x = 4,610,275.49/2,392.02
  6. Step 6: Final answer
    x = 1,927.36

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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.