Home / 3,442.04-4,747.55-3,159.37

Finding the Fourth Proportional to 3,442.04, 4,747.55 and 3,159.37

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Solution

The fourth proportional to 3,442.04, 4,747.55 and 3,159.37 is: 4,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.04 : 4,747.55 = 3,159.37 : x
  2. Step 2: Convert to fraction form
    3,442.04/4,747.55 = 3,159.37/x
  3. Step 3: Cross multiply
    3,442.04x = 4,747.55 × 3,159.37
  4. Step 4: Simplify right side
    3,442.04x = 14,999,239.38
  5. Step 5: Solve for x
    x = 14,999,239.38/3,442.04
  6. Step 6: Final answer
    x = 4,357.67

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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.