Home / 3,110.76-4,666.14-802.26

Finding the Fourth Proportional to 3,110.76, 4,666.14 and 802.26

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Solution

The fourth proportional to 3,110.76, 4,666.14 and 802.26 is: 1,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.76 : 4,666.14 = 802.26 : x
  2. Step 2: Convert to fraction form
    3,110.76/4,666.14 = 802.26/x
  3. Step 3: Cross multiply
    3,110.76x = 4,666.14 × 802.26
  4. Step 4: Simplify right side
    3,110.76x = 3,743,457.48
  5. Step 5: Solve for x
    x = 3,743,457.48/3,110.76
  6. Step 6: Final answer
    x = 1,203.39

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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.