Home / 5,590.64-7,705.32-4,095.38

Finding the Fourth Proportional to 5,590.64, 7,705.32 and 4,095.38

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Solution

The fourth proportional to 5,590.64, 7,705.32 and 4,095.38 is: 5,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.64 : 7,705.32 = 4,095.38 : x
  2. Step 2: Convert to fraction form
    5,590.64/7,705.32 = 4,095.38/x
  3. Step 3: Cross multiply
    5,590.64x = 7,705.32 × 4,095.38
  4. Step 4: Simplify right side
    5,590.64x = 31,556,213.42
  5. Step 5: Solve for x
    x = 31,556,213.42/5,590.64
  6. Step 6: Final answer
    x = 5,644.47

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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.