Home / 2,075.46-2,865.18-1,367.76

Finding the Fourth Proportional to 2,075.46, 2,865.18 and 1,367.76

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Solution

The fourth proportional to 2,075.46, 2,865.18 and 1,367.76 is: 1,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075.46 : 2,865.18 = 1,367.76 : x
  2. Step 2: Convert to fraction form
    2,075.46/2,865.18 = 1,367.76/x
  3. Step 3: Cross multiply
    2,075.46x = 2,865.18 × 1,367.76
  4. Step 4: Simplify right side
    2,075.46x = 3,918,878.60
  5. Step 5: Solve for x
    x = 3,918,878.60/2,075.46
  6. Step 6: Final answer
    x = 1,888.20

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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.