Home / 5,065.55-7,598.72-1,555.85

Finding the Fourth Proportional to 5,065.55, 7,598.72 and 1,555.85

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Solution

The fourth proportional to 5,065.55, 7,598.72 and 1,555.85 is: 2,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.55 : 7,598.72 = 1,555.85 : x
  2. Step 2: Convert to fraction form
    5,065.55/7,598.72 = 1,555.85/x
  3. Step 3: Cross multiply
    5,065.55x = 7,598.72 × 1,555.85
  4. Step 4: Simplify right side
    5,065.55x = 11,822,468.51
  5. Step 5: Solve for x
    x = 11,822,468.51/5,065.55
  6. Step 6: Final answer
    x = 2,333.90

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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.