Home / 4,370.12-6,547.66-2,912.20

Finding the Fourth Proportional to 4,370.12, 6,547.66 and 2,912.20

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Solution

The fourth proportional to 4,370.12, 6,547.66 and 2,912.20 is: 4,363.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,370.12 : 6,547.66 = 2,912.20 : x
  2. Step 2: Convert to fraction form
    4,370.12/6,547.66 = 2,912.20/x
  3. Step 3: Cross multiply
    4,370.12x = 6,547.66 × 2,912.20
  4. Step 4: Simplify right side
    4,370.12x = 19,068,095.45
  5. Step 5: Solve for x
    x = 19,068,095.45/4,370.12
  6. Step 6: Final answer
    x = 4,363.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.