Home / 5,048.30-6,966.30-3,159.80

Finding the Fourth Proportional to 5,048.30, 6,966.30 and 3,159.80

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Solution

The fourth proportional to 5,048.30, 6,966.30 and 3,159.80 is: 4,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.30 : 6,966.30 = 3,159.80 : x
  2. Step 2: Convert to fraction form
    5,048.30/6,966.30 = 3,159.80/x
  3. Step 3: Cross multiply
    5,048.30x = 6,966.30 × 3,159.80
  4. Step 4: Simplify right side
    5,048.30x = 22,012,114.74
  5. Step 5: Solve for x
    x = 22,012,114.74/5,048.30
  6. Step 6: Final answer
    x = 4,360.30

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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.