Home / 5,554.50-7,666.12-3,196.18

Finding the Fourth Proportional to 5,554.50, 7,666.12 and 3,196.18

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Solution

The fourth proportional to 5,554.50, 7,666.12 and 3,196.18 is: 4,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.50 : 7,666.12 = 3,196.18 : x
  2. Step 2: Convert to fraction form
    5,554.50/7,666.12 = 3,196.18/x
  3. Step 3: Cross multiply
    5,554.50x = 7,666.12 × 3,196.18
  4. Step 4: Simplify right side
    5,554.50x = 24,502,299.42
  5. Step 5: Solve for x
    x = 24,502,299.42/5,554.50
  6. Step 6: Final answer
    x = 4,411.25

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Half scale
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Double scale
Find fourth proportional to 5,555.50, 7,667.50 and 3,197.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.