Home / 5,590.30-8,385.72-2,303.32

Finding the Fourth Proportional to 5,590.30, 8,385.72 and 2,303.32

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Solution

The fourth proportional to 5,590.30, 8,385.72 and 2,303.32 is: 3,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.30 : 8,385.72 = 2,303.32 : x
  2. Step 2: Convert to fraction form
    5,590.30/8,385.72 = 2,303.32/x
  3. Step 3: Cross multiply
    5,590.30x = 8,385.72 × 2,303.32
  4. Step 4: Simplify right side
    5,590.30x = 19,314,996.59
  5. Step 5: Solve for x
    x = 19,314,996.59/5,590.30
  6. Step 6: Final answer
    x = 3,455.09

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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.