Home / 4,870.36-6,721.14-4,498.30

Finding the Fourth Proportional to 4,870.36, 6,721.14 and 4,498.30

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Solution

The fourth proportional to 4,870.36, 6,721.14 and 4,498.30 is: 6,207.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.36 : 6,721.14 = 4,498.30 : x
  2. Step 2: Convert to fraction form
    4,870.36/6,721.14 = 4,498.30/x
  3. Step 3: Cross multiply
    4,870.36x = 6,721.14 × 4,498.30
  4. Step 4: Simplify right side
    4,870.36x = 30,233,704.06
  5. Step 5: Solve for x
    x = 30,233,704.06/4,870.36
  6. Step 6: Final answer
    x = 6,207.69

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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.