Home / 5,590.02-8,384.67-2,127.18

Finding the Fourth Proportional to 5,590.02, 8,384.67 and 2,127.18

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Solution

The fourth proportional to 5,590.02, 8,384.67 and 2,127.18 is: 3,190.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.02 : 8,384.67 = 2,127.18 : x
  2. Step 2: Convert to fraction form
    5,590.02/8,384.67 = 2,127.18/x
  3. Step 3: Cross multiply
    5,590.02x = 8,384.67 × 2,127.18
  4. Step 4: Simplify right side
    5,590.02x = 17,835,702.33
  5. Step 5: Solve for x
    x = 17,835,702.33/5,590.02
  6. Step 6: Final answer
    x = 3,190.63

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Double scale
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Similar ratio
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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.