Home / 5,555.19-7,666.88-3,166.01

Finding the Fourth Proportional to 5,555.19, 7,666.88 and 3,166.01

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Solution

The fourth proportional to 5,555.19, 7,666.88 and 3,166.01 is: 4,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.19 : 7,666.88 = 3,166.01 : x
  2. Step 2: Convert to fraction form
    5,555.19/7,666.88 = 3,166.01/x
  3. Step 3: Cross multiply
    5,555.19x = 7,666.88 × 3,166.01
  4. Step 4: Simplify right side
    5,555.19x = 24,273,423.80
  5. Step 5: Solve for x
    x = 24,273,423.80/5,555.19
  6. Step 6: Final answer
    x = 4,369.51

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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.