Home / 4,870.61-6,721.49-4,498.55

Finding the Fourth Proportional to 4,870.61, 6,721.49 and 4,498.55

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Solution

The fourth proportional to 4,870.61, 6,721.49 and 4,498.55 is: 6,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.61 : 6,721.49 = 4,498.55 : x
  2. Step 2: Convert to fraction form
    4,870.61/6,721.49 = 4,498.55/x
  3. Step 3: Cross multiply
    4,870.61x = 6,721.49 × 4,498.55
  4. Step 4: Simplify right side
    4,870.61x = 30,236,958.84
  5. Step 5: Solve for x
    x = 30,236,958.84/4,870.61
  6. Step 6: Final answer
    x = 6,208.04

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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.