Home / 5,166.29-7,130.09-2,898.26

Finding the Fourth Proportional to 5,166.29, 7,130.09 and 2,898.26

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Solution

The fourth proportional to 5,166.29, 7,130.09 and 2,898.26 is: 3,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.29 : 7,130.09 = 2,898.26 : x
  2. Step 2: Convert to fraction form
    5,166.29/7,130.09 = 2,898.26/x
  3. Step 3: Cross multiply
    5,166.29x = 7,130.09 × 2,898.26
  4. Step 4: Simplify right side
    5,166.29x = 20,664,804.50
  5. Step 5: Solve for x
    x = 20,664,804.50/5,166.29
  6. Step 6: Final answer
    x = 3,999.93

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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.