Home / 5,114.99-7,635.15-4,389.23

Finding the Fourth Proportional to 5,114.99, 7,635.15 and 4,389.23

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Solution

The fourth proportional to 5,114.99, 7,635.15 and 4,389.23 is: 6,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.99 : 7,635.15 = 4,389.23 : x
  2. Step 2: Convert to fraction form
    5,114.99/7,635.15 = 4,389.23/x
  3. Step 3: Cross multiply
    5,114.99x = 7,635.15 × 4,389.23
  4. Step 4: Simplify right side
    5,114.99x = 33,512,407.49
  5. Step 5: Solve for x
    x = 33,512,407.49/5,114.99
  6. Step 6: Final answer
    x = 6,551.80

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.