Home / 5,486.24-8,228.88-1,590.08

Finding the Fourth Proportional to 5,486.24, 8,228.88 and 1,590.08

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Solution

The fourth proportional to 5,486.24, 8,228.88 and 1,590.08 is: 2,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.24 : 8,228.88 = 1,590.08 : x
  2. Step 2: Convert to fraction form
    5,486.24/8,228.88 = 1,590.08/x
  3. Step 3: Cross multiply
    5,486.24x = 8,228.88 × 1,590.08
  4. Step 4: Simplify right side
    5,486.24x = 13,084,577.51
  5. Step 5: Solve for x
    x = 13,084,577.51/5,486.24
  6. Step 6: Final answer
    x = 2,384.98

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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.