Home / 6,541.50-9,770.55-5,666.70

Finding the Fourth Proportional to 6,541.50, 9,770.55 and 5,666.70

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Solution

The fourth proportional to 6,541.50, 9,770.55 and 5,666.70 is: 8,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.50 : 9,770.55 = 5,666.70 : x
  2. Step 2: Convert to fraction form
    6,541.50/9,770.55 = 5,666.70/x
  3. Step 3: Cross multiply
    6,541.50x = 9,770.55 × 5,666.70
  4. Step 4: Simplify right side
    6,541.50x = 55,366,775.69
  5. Step 5: Solve for x
    x = 55,366,775.69/6,541.50
  6. Step 6: Final answer
    x = 8,463.93

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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.