Home / 4,075.30-6,109.51-2,098.70

Finding the Fourth Proportional to 4,075.30, 6,109.51 and 2,098.70

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Solution

The fourth proportional to 4,075.30, 6,109.51 and 2,098.70 is: 3,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,075.30 : 6,109.51 = 2,098.70 : x
  2. Step 2: Convert to fraction form
    4,075.30/6,109.51 = 2,098.70/x
  3. Step 3: Cross multiply
    4,075.30x = 6,109.51 × 2,098.70
  4. Step 4: Simplify right side
    4,075.30x = 12,822,028.64
  5. Step 5: Solve for x
    x = 12,822,028.64/4,075.30
  6. Step 6: Final answer
    x = 3,146.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.