Home / 5,585.90-7,708.55-3,490.02

Finding the Fourth Proportional to 5,585.90, 7,708.55 and 3,490.02

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Solution

The fourth proportional to 5,585.90, 7,708.55 and 3,490.02 is: 4,816.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.90 : 7,708.55 = 3,490.02 : x
  2. Step 2: Convert to fraction form
    5,585.90/7,708.55 = 3,490.02/x
  3. Step 3: Cross multiply
    5,585.90x = 7,708.55 × 3,490.02
  4. Step 4: Simplify right side
    5,585.90x = 26,902,976.22
  5. Step 5: Solve for x
    x = 26,902,976.22/5,585.90
  6. Step 6: Final answer
    x = 4,816.23

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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.