Home / 4,897.28-6,758.40-2,908.08

Finding the Fourth Proportional to 4,897.28, 6,758.40 and 2,908.08

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Solution

The fourth proportional to 4,897.28, 6,758.40 and 2,908.08 is: 4,013.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.28 : 6,758.40 = 2,908.08 : x
  2. Step 2: Convert to fraction form
    4,897.28/6,758.40 = 2,908.08/x
  3. Step 3: Cross multiply
    4,897.28x = 6,758.40 × 2,908.08
  4. Step 4: Simplify right side
    4,897.28x = 19,653,967.87
  5. Step 5: Solve for x
    x = 19,653,967.87/4,897.28
  6. Step 6: Final answer
    x = 4,013.24

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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.