Home / 5,549.90-8,330.42-2,590.37

Finding the Fourth Proportional to 5,549.90, 8,330.42 and 2,590.37

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Solution

The fourth proportional to 5,549.90, 8,330.42 and 2,590.37 is: 3,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,549.90 : 8,330.42 = 2,590.37 : x
  2. Step 2: Convert to fraction form
    5,549.90/8,330.42 = 2,590.37/x
  3. Step 3: Cross multiply
    5,549.90x = 8,330.42 × 2,590.37
  4. Step 4: Simplify right side
    5,549.90x = 21,578,870.06
  5. Step 5: Solve for x
    x = 21,578,870.06/5,549.90
  6. Step 6: Final answer
    x = 3,888.15

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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.