Home / 3,328.46-4,612.70-3,281.48

Finding the Fourth Proportional to 3,328.46, 4,612.70 and 3,281.48

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Solution

The fourth proportional to 3,328.46, 4,612.70 and 3,281.48 is: 4,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.46 : 4,612.70 = 3,281.48 : x
  2. Step 2: Convert to fraction form
    3,328.46/4,612.70 = 3,281.48/x
  3. Step 3: Cross multiply
    3,328.46x = 4,612.70 × 3,281.48
  4. Step 4: Simplify right side
    3,328.46x = 15,136,497.34
  5. Step 5: Solve for x
    x = 15,136,497.34/3,328.46
  6. Step 6: Final answer
    x = 4,547.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.