Home / 5,239.34-7,228.52-2,970.43

Finding the Fourth Proportional to 5,239.34, 7,228.52 and 2,970.43

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Solution

The fourth proportional to 5,239.34, 7,228.52 and 2,970.43 is: 4,098.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.34 : 7,228.52 = 2,970.43 : x
  2. Step 2: Convert to fraction form
    5,239.34/7,228.52 = 2,970.43/x
  3. Step 3: Cross multiply
    5,239.34x = 7,228.52 × 2,970.43
  4. Step 4: Simplify right side
    5,239.34x = 21,471,802.86
  5. Step 5: Solve for x
    x = 21,471,802.86/5,239.34
  6. Step 6: Final answer
    x = 4,098.19

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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.