Home / 5,442.12-7,507.08-3,345.84

Finding the Fourth Proportional to 5,442.12, 7,507.08 and 3,345.84

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Solution

The fourth proportional to 5,442.12, 7,507.08 and 3,345.84 is: 4,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.12 : 7,507.08 = 3,345.84 : x
  2. Step 2: Convert to fraction form
    5,442.12/7,507.08 = 3,345.84/x
  3. Step 3: Cross multiply
    5,442.12x = 7,507.08 × 3,345.84
  4. Step 4: Simplify right side
    5,442.12x = 25,117,488.55
  5. Step 5: Solve for x
    x = 25,117,488.55/5,442.12
  6. Step 6: Final answer
    x = 4,615.39

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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.