Home / 4,947.18-6,830.30-4,415.15

Finding the Fourth Proportional to 4,947.18, 6,830.30 and 4,415.15

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Solution

The fourth proportional to 4,947.18, 6,830.30 and 4,415.15 is: 6,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.18 : 6,830.30 = 4,415.15 : x
  2. Step 2: Convert to fraction form
    4,947.18/6,830.30 = 4,415.15/x
  3. Step 3: Cross multiply
    4,947.18x = 6,830.30 × 4,415.15
  4. Step 4: Simplify right side
    4,947.18x = 30,156,742.82
  5. Step 5: Solve for x
    x = 30,156,742.82/4,947.18
  6. Step 6: Final answer
    x = 6,095.74

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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.