Home / 7,727.77-10,664.86-4,370.59

Finding the Fourth Proportional to 7,727.77, 10,664.86 and 4,370.59

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Solution

The fourth proportional to 7,727.77, 10,664.86 and 4,370.59 is: 6,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.77 : 10,664.86 = 4,370.59 : x
  2. Step 2: Convert to fraction form
    7,727.77/10,664.86 = 4,370.59/x
  3. Step 3: Cross multiply
    7,727.77x = 10,664.86 × 4,370.59
  4. Step 4: Simplify right side
    7,727.77x = 46,611,730.47
  5. Step 5: Solve for x
    x = 46,611,730.47/7,727.77
  6. Step 6: Final answer
    x = 6,031.72

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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.