Home / 3,075.83-4,244.88-1,881.05

Finding the Fourth Proportional to 3,075.83, 4,244.88 and 1,881.05

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Solution

The fourth proportional to 3,075.83, 4,244.88 and 1,881.05 is: 2,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,075.83 : 4,244.88 = 1,881.05 : x
  2. Step 2: Convert to fraction form
    3,075.83/4,244.88 = 1,881.05/x
  3. Step 3: Cross multiply
    3,075.83x = 4,244.88 × 1,881.05
  4. Step 4: Simplify right side
    3,075.83x = 7,984,810.30
  5. Step 5: Solve for x
    x = 7,984,810.30/3,075.83
  6. Step 6: Final answer
    x = 2,595.98

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Half scale
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Double scale
Find fourth proportional to 3,076.83, 4,246.26 and 1,882.05
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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.