Home / 5,133.77-7,084.59-2,775.91

Finding the Fourth Proportional to 5,133.77, 7,084.59 and 2,775.91

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Solution

The fourth proportional to 5,133.77, 7,084.59 and 2,775.91 is: 3,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.77 : 7,084.59 = 2,775.91 : x
  2. Step 2: Convert to fraction form
    5,133.77/7,084.59 = 2,775.91/x
  3. Step 3: Cross multiply
    5,133.77x = 7,084.59 × 2,775.91
  4. Step 4: Simplify right side
    5,133.77x = 19,666,184.23
  5. Step 5: Solve for x
    x = 19,666,184.23/5,133.77
  6. Step 6: Final answer
    x = 3,830.75

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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.