Home / 5,075.56-7,613.58-2,478.46

Finding the Fourth Proportional to 5,075.56, 7,613.58 and 2,478.46

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Solution

The fourth proportional to 5,075.56, 7,613.58 and 2,478.46 is: 3,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.56 : 7,613.58 = 2,478.46 : x
  2. Step 2: Convert to fraction form
    5,075.56/7,613.58 = 2,478.46/x
  3. Step 3: Cross multiply
    5,075.56x = 7,613.58 × 2,478.46
  4. Step 4: Simplify right side
    5,075.56x = 18,869,953.49
  5. Step 5: Solve for x
    x = 18,869,953.49/5,075.56
  6. Step 6: Final answer
    x = 3,717.81

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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.