Home / 4,860.61-6,705.79-2,970.68

Finding the Fourth Proportional to 4,860.61, 6,705.79 and 2,970.68

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Solution

The fourth proportional to 4,860.61, 6,705.79 and 2,970.68 is: 4,098.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,860.61 : 6,705.79 = 2,970.68 : x
  2. Step 2: Convert to fraction form
    4,860.61/6,705.79 = 2,970.68/x
  3. Step 3: Cross multiply
    4,860.61x = 6,705.79 × 2,970.68
  4. Step 4: Simplify right side
    4,860.61x = 19,920,756.24
  5. Step 5: Solve for x
    x = 19,920,756.24/4,860.61
  6. Step 6: Final answer
    x = 4,098.41

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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.