Home / 5,135.88-7,666.67-4,513.10

Finding the Fourth Proportional to 5,135.88, 7,666.67 and 4,513.10

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Solution

The fourth proportional to 5,135.88, 7,666.67 and 4,513.10 is: 6,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.88 : 7,666.67 = 4,513.10 : x
  2. Step 2: Convert to fraction form
    5,135.88/7,666.67 = 4,513.10/x
  3. Step 3: Cross multiply
    5,135.88x = 7,666.67 × 4,513.10
  4. Step 4: Simplify right side
    5,135.88x = 34,600,448.38
  5. Step 5: Solve for x
    x = 34,600,448.38/5,135.88
  6. Step 6: Final answer
    x = 6,737.00

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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.